Author name: GSMS

Plant hire contractor Croydon searches often show companies based in Essex, Kent, or national aggregators with no real knowledge of Croydon’s narrow access roads, conservation areas, or dense residential streets. GSMS Construction Ltd is different. We are a true Croydon-based plant hire contractor — we supply the machine, the qualified operator, and full project liability under one booking. Call us today on 077 1779 0273 for a free quote and we will tell you exactly what plant you need and what it will cost before any work begins. What Does a Plant Hire Contractor Croydon Actually Do? The Difference Between Plant Hire Company and Contractor Croydon A plant hire contractor is not the same as a plant hire company. The distinction matters and it directly affects your liability, your project timeline, and the quality of the finished result. A plant hire company drops off a machine, takes a deposit, and leaves. You are responsible for operating it safely, insuring it, and completing the work to standard. If you damage the machine, a neighbour’s property, or an underground utility, that liability lands with you. How GSMS Works as a Plant Hire Contractor Croydon A plant hire contractor — what GSMS Construction Ltd is — supplies the machine and a fully qualified CPCS or NPORS certified operator. We manage the work from mobilisation to completion. We carry full public liability insurance and take responsibility for the outcome. Why the Contractor Model Is Better Value You do not need a plant operator’s licence, you do not need to arrange separate insurance, and you do not need to coordinate multiple trades. For residential homeowners and commercial developers in Croydon, the contractor model is faster, safer, and almost always better value when total project cost is considered. Types of Plant Hire We Supply in Croydon as Contractor Mini and Micro Excavators Plant hire Contractor Croydon Our micro excavators (0.8T to 1.5T) are built for restricted-access sites — gardens with a standard gate, rear-access-only properties, and tight urban plots common across CR0, CR7, and SE25. Our mini excavators (1.5T to 3T) handle driveways, extension footings, drainage trenches, and soakaway excavations efficiently without the ground damage associated with larger machines. For detailed residential digger information, see our dedicated digger hire Croydon page. Compact Tracked Dumpers Croydon A digger without a dumper creates a spoil management problem that slows every job down. Our 1T to 3T compact tracked dumpers sit alongside the excavator and move spoil, concrete, aggregate, and sub-base material continuously. They are low ground pressure and track-driven, so they cause minimal surface damage even on finished gardens or paved access areas. Rollers and Plate Compactors Sub-base compaction is non-negotiable on any driveway, car park, or hardstanding project. An uncompacted sub-base fails within 12 months. Our roller and plate compactor hire is available as a standalone booking or as part of a full groundworks plant package. Hydraulic Attachments Our excavators are available with a full range of hydraulic attachments: Full Groundworks Plant Packages Our most popular offering for both residential extensions and commercial development is the full groundworks plant package. This combines a mini excavator, a tracked dumper, and a compactor under a single daily rate with a single operator team. It is priced from £550 per day. 2026 Plant Hire Contractor Prices in Croydon Published Day Rates GSMS Construction Ltd publishes its plant hire rates online. We do this because transparent pricing saves time for both parties and prevents call-out cost surprises. Plant Type Day Rate (Operated) Typical Application Micro Digger (0.8T–1.5T) £180–£240 Gardens, restricted access, tight urban sites Mini Digger (1.5T–3T) £220–£320 Driveways, extensions, drainage, soakaways Tracked Dumper (1T–3T) £120–£180 Spoil removal, concrete, aggregate movement Mini Digger + Dumper Combo £320–£450 Most popular residential package Roller / Compactor £150–£220 Sub-base compaction, tarmac & resin prep Full Groundworks Package From £550 Full team + all plant, single daily rate What Is Included in Every Rate Operator wages, fuel, delivery and collection within the Croydon borough, and full public liability insurance are always included. Free site visits are available for larger projects or any project where access or ground conditions are uncertain. Call 077 1779 0273 to arrange. Plant Hire for Residential Projects in Croydon Driveway Excavation and Preparation Driveway construction begins with excavation to the correct depth — typically 200 mm to 300 mm depending on the surface type. Our mini digger and dumper combo strips the existing surface, excavates to depth, and loads all spoil for removal in a single efficient operation across CR0, CR5 and CR2. Garden Landscaping and Levelling Level changes, spoil removal, raised bed formation, and lawn preparation all require groundwork plant. Our micro excavators access sites through a standard garden gate without widening or temporary fencing. Rear Extension and Conservatory Footings We excavate strip and trench-fill foundations to engineer-specified depths while carefully working around existing services. Soakaway and Drainage Installation We excavate soakaway pits, drainage runs, and French drains across all Croydon postcodes, including the chalk substrate challenges common in CR5 and CR8. Patio, Decking and Pathway Preparation We excavate, supply and compact the sub-base, and leave a prepared surface ready for your landscaper or paving contractor. Concrete Pad and Sub-Base Compaction Our roller hire ensures correct compaction that prevents future slab movement or cracking on garage bases, outbuilding pads, and concrete hardstandings. Plant Hire for Commercial and Development Projects in Croydon Site Clearance and Bulk Excavation We supply digger and dumper combinations for vegetation removal, concrete breaking, and bulk spoil clearance to tight programme timelines. Foundation Excavation for New Builds Strip, pad, and raft foundation excavations for new residential and commercial buildings. Our operators work directly with structural engineers’ specifications across the full Croydon borough. Car Park Sub-Base Preparation We supply the full plant package — excavation, aggregate spread, and compaction — and coordinate with surfacing contractors. Commercial Drainage and Groundwork Packages SuDS drainage systems and commercial-scale groundworks are delivered using our full groundworks plant package. Our local builders in Croydon team can manage the broader scope if full

Digger Hire New Addington: Mini Digger & Excavator Hire CR0 with Experienced Operator Digger hire New Addington is essential when you need reliable excavation on the tightly packed 1950s and 1960s estate housing. Narrow side passages, rear gardens you can barely swing a wheelbarrow through, and residential streets never designed for plant machinery make the wrong machine or inexperienced operator a costly problem — damaged fences, wrecked lawns, and jobs that take twice as long. GSMS Construction Ltd is a Croydon-based groundwork contractor covering New Addington CR0 and the full Croydon Borough. We specialise in digger hire New Addington with an experienced operator — machine and trained operator together — with transparent day rates starting from £180. Call us on 077 1779 0273 for a free same-day quote. Visit our main website at GSMS Construction Ltd for the full range of services across London and Croydon. Why Choose Operated Digger Hire New Addington There are two ways to hire a digger: self-drive or operated. Most plant-hire companies hand you the keys and leave. However, we do not work that way. Self-drive places full liability on you. If you have never operated a tracked excavator on a residential property — navigating gas pipes, avoiding foundations, and keeping a machine stable on sloped garden ground — the risk is high. In addition, most homeowner insurance policies do not cover self-operated plant incidents. Operated digger hire New Addington means our CPCS/NPORS-trained operator arrives with the machine. As a result, they assess ground conditions, plan the dig sequence, and complete the excavation safely. For New Addington’s terraced homes with tight side access and rear gardens that often slope toward the house, this is not just a convenience — it is the difference between a clean job and a costly mistake. Furthermore, our operated rates remain competitive with self-drive prices from national aggregators once you factor in insurance, efficiency, and the fact that experienced operators finish residential work faster than most homeowners would in a full day. Choosing the Right Machine for Digger Hire New Addington Getting the machine size right matters more here than almost anywhere else in Croydon. Side gate widths of 750 mm to 900 mm are common on the estate. Therefore, a machine that cannot fit through the gate cannot reach the rear garden. Digger Size Best For Minimum Access Width Needed 0.8T–1T Micro Digger Small gardens, tight trenching, soakaways under decking As narrow as 750 mm 1.5T–2T Mini Digger Driveways, patios, soakaways, shallow footings 900 mm–1.2 m 2.5T–3T Compact Digger Extension footings, larger excavations, commercial prep 1.2 m and above When you call or request a quote, we ask for a photograph of your side access and a brief outline of the work. In this way, we eliminate the most common plant-hire mistake: sending a machine that cannot reach the job. Practical note: Many properties on the Fieldway estate and along King Henry’s Drive have rear gardens accessible only through a 750–800 mm side gate. Consequently, our 0.8-tonne micro digger has a transport width of 750 mm with the blade removed, making it the go-to machine for the majority of residential rear-garden jobs in the area. Digger Hire New Addington Services in CR0 We provide a full range of operated plant hire and groundwork services for residential and light commercial projects across New Addington and the wider CR0 postcode. For the complete overview of our plant hire across the borough, see our dedicated Digger Hire Croydon page. Micro Digger Options Our most requested option for digger hire New Addington is the 0.8T–1.5T micro digger. These machines access narrow side passages and complete excavation in confined rear gardens without damaging fencing or landscaping. In particular, they are ideal for drainage runs, soakaways, and garden levelling. Mini Digger Options The 1.5T–3T mini digger is the workhorse for driveway and extension footing jobs. Moreover, it handles driveway excavations, patio bases, drainage trenches, and preparation for rear extensions — always with an experienced operator. Tracked Dumper Support A digger without a dumper means slow, expensive wheelbarrowing of spoil. For this reason, our tracked dumpers move material efficiently from tight rear gardens to skips or haul routes at the front of the property. Combined Package Our most popular residential package is the mini digger + tracked dumper combination. As a result, excavation and spoil removal happen simultaneously, typically cutting groundwork time by 30–40 % compared with digger-only hire and manual clearance. Additional Groundwork Services In addition to machine hire, we regularly deliver: Clear 2026 Pricing for Digger Hire New Addington Most competitors force you to call before giving any price indication. However, we publish our rates so you know what to expect. Service Day Rate What Is Included Micro / Mini Digger (operated) £180–£280 Machine + CPCS/NPORS operator + fuel + delivery to CR0 Mini Digger + Tracked Dumper Package £300–£450 Both machines + operators + fuel + delivery Full Day Groundworks Package From £550 Full site team, all machines, groundwork to specification Pricing always includes: The exact rate within each range depends on machine size, access difficulty, and spoil volume. In addition, half-day rates are available for work under four hours. Multi-day projects receive a reduced daily rate from day two. Free site visits are also offered when access assessment or scope confirmation is needed. Call 077 1779 0273 for a fixed price on digger hire New Addington tailored to your job. Typical Projects We Handle Garden and Landscape Work Many Fieldway gardens are sloped and uneven from original 1960s construction. Therefore, we excavate and level sections for usable lawns, patios, and planting areas. Driveway Preparation Two-car households are now the norm across the estate. As a result, we break out existing surfaces, excavate to the correct sub-base depth, and leave the area ready for block paving or tarmac. Soakaway and Drainage Solutions Clay-heavy ground and ageing or missing soakaways cause persistent flooding. For this reason, we excavate (typically 1.2–2 m), install crate or rubble systems, connect runs, and reinstate. All completed groundwork

Concrete Work Chipstead – Local Expertise in Clay Soil, Access & Structural Concrete GSMS Construction Ltd delivers professional concrete work in Chipstead and the surrounding CR5, CR2 and CR3 areas. We specialise in foundations, concrete driveways, reinforced slabs, basement concrete and RC frame construction, with deep local knowledge of Chipstead’s unique soil conditions and access challenges. Whether you are building a house extension, replacing a driveway, pouring a garage base or constructing a reinforced concrete structure, our team plans every detail correctly the first time — saving you time, money and failed inspections. Why Chipstead Concrete Projects Need Specialist Knowledge Chipstead is not a standard open-site location. The area sits on the North Downs foothills with mixed chalk, clay and gravel soils, narrow residential streets, sloping driveways and established properties. These factors affect concrete specification, delivery method and final cost. A generic quote that works elsewhere in Surrey can easily fail in Chipstead because the soil type, access constraints or Croydon building control requirements were not properly considered. Local expertise is what gets projects approved first time. Planning rules for driveways Chipstead’s Soil Conditions The ground across Chipstead varies significantly by location: Using the wrong specification can lead to inspection issues, delays and costly re-work. We assess the specific ground conditions of your site and specify the correct concrete grade accordingly. Croydon Building Control Access Challenges in Chipstead Most of Chipstead consists of established residential streets with practical constraints: These factors determine whether a standard truck, front-axle bias vehicle, boom pump or separate line pump is required. We assess access during the free survey and include the correct method in the quote so there are no surprises on delivery day. Concrete Pumping Options for Restricted Sites Boom pump (usually included with the delivery truck) works well for many rear garden pours, upper-storey work and moderate slopes. Line pumping becomes necessary when the truck cannot get close enough — for example alley-only access, basement pours or properties separated from the road by courtyards. We advise clearly when a line pump is required and include the cost upfront. Building Control Requirements in Chipstead (CR5) Chipstead falls under Croydon Borough Council building control. Requirements depend on the project type and soil report, but typical expectations include: We work to the relevant standards and coordinate with your structural engineer or building control officer so the concrete specification is compliant from the start. Our Concrete Services in Chipstead At GSMS Construction Ltd we provide a complete service rather than just delivery: How We Deliver Concrete Projects in Chipstead Most domestic projects are completed efficiently with minimal disruption. Why Local Experience Saves Money A slightly higher but accurate quote is almost always cheaper than a low initial figure followed by extra charges and delays. Frequently Asked Questions – Concrete Work Chipstead Does Chipstead clay soil affect the concrete I need? In many central and northern areas, yes. Aggressive ground conditions can require sulphate-resistant concrete. We assess this during the survey. Can a concrete truck access my street? Most streets are accessible with proper planning. We check access during the free survey and recommend the right vehicle or pumping method. Do you handle both the groundworks and the concrete pour? Yes. We provide digger and dumper with driver plus the full concrete service so you deal with one reliable contractor. What guarantee do you offer? All our concrete work carries a workmanship guarantee for your peace of mind. Do you cover the wider area around Chipstead? Yes. We regularly work in Coulsdon, Banstead, Woodmansterne, Purley, Kenley and across South London. See our full Areas We Cover page. Ready for Expert Concrete Work in Chipstead? Get the specification, access planning and workmanship right the first time with a local team that understands CR5 conditions. Call us today for your free survey and fixed quotation: 07717 790273 or 07453 292996 Email: info@gsmsconstruction.co.uk Website: https://gsmsconstructionltd.co.uk/ GSMS Construction Ltd – Local concrete expertise for Chipstead, Coulsdon and South London. Quality foundations, driveways and structural concrete you can rely on.

Looking for reliable local builders in Central Croydon? GSMS Construction Ltd is a VAT-registered building contractor (VAT No. 429761270) serving homeowners across Central Croydon, CR0, CR2 and the surrounding borough. We deliver house extensions, loft conversions, basement conversions, full property refurbishments and specialist Reinforced Concrete Frame work under clear fixed-price contracts with no hidden costs.. Furthermore, our directly employed in-house team manages every project from start to finish. As a result, you receive consistent quality, clear accountability and a single point of contact from free consultation through to final handover. In addition, we hold detailed knowledge of the London Borough of Croydon’s planning policies, Article 4 Directions and the conservation area constraints that apply across Croydon Old Town, Waddon and the Victorian streets of Thornton Heath. What separates GSMS from most local builders in Central Croydon is our in-house Reinforced Concrete Frame capability. Most local builders subcontract structural work. However, we do not. Whether your project requires a structural basement, a large rear extension or a load-bearing RC Frame, our team handles every element directly. Therefore, we reduce programme risk and protect your budget. Call 07717 790273 or 07453 292996 to book your free site visit. Why Choose GSMS as Local Builders in Central Croydon Building Services by Local Builders in Central Croydon House Extensions Central Croydon We design and build house extensions across the full spectrum. For example, we deliver modest single-storey kitchen extensions on Thornton Heath terraces as well as substantial double-storey rear and side-return additions on larger CR0 and CR2 properties. Moreover, we manage architectural drawings, structural engineering, planning submissions and the build under one fixed price. Every extension meets current Part L energy-efficiency standards. Loft Conversions Builders in Central Croydon A loft conversion remains one of the highest-return improvements for Central Croydon homeowners. We specialise in dormer conversions, hip-to-gable extensions and Velux rooflight conversions. In addition, we advise on the right type for your roof pitch, Permitted Development eligibility and structural requirements before any drawings are commissioned. Basement Conversions Across Central Croydon Basement conversions in Central Croydon demand structural precision and waterproofing expertise. This is especially true beneath Victorian terraces on clay-heavy ground. Our in-house RC Frame team handles underpinning, tanking, structural concrete and all associated drainage and damp-proofing work directly. As a result, you avoid the higher costs and risks of external specialists. Full Property Refurbishments in Central Croydon We manage complete property overhauls under a single fixed-price contract. From gut-strip refurbishments on period homes in Croydon Old Town to full internal and external projects, our project manager coordinates plumbing, electrics, plastering, tiling, joinery and decoration in sequence. Therefore, work stays on programme. Kitchen and Bathroom Renovations Around Central Croydon We deliver fitted kitchen installations and bathroom renovations as standalone projects or as part of larger schemes. Our directly employed trades carry out all work. Consequently, quality remains consistent throughout. Orangeries and Garden Rooms Builders in Central Croydon Croydon’s larger Victorian and Edwardian gardens suit orangeries and bespoke garden rooms particularly well. For instance, properties in South Croydon and Waddon often benefit from these additions. We build thermally efficient, year-round-usable structures in brick, timber frame and structural glass. Groundworks and RC Frame Structural Work Our groundworks and RC Frame capability covers strip foundations, raft foundations, pile caps, reinforced concrete columns and structural slabs. We design these elements in coordination with our structural engineering partners and then build them with our in-house team. Damp Proofing and Structural Repairs Builders in Central Croydon Central Croydon’s older housing stock frequently presents rising damp, penetrating damp and structural movement. This is especially common along George Street, Surrey Street and the Victorian terraces of Thornton Heath. We address these issues before any improvement works begin. Conservation Areas and Planning for Local Builders in Central Croydon Croydon Old Town Conservation Area Central Croydon sits within one of the most planning-active boroughs in South London. The Croydon Old Town Conservation Area covers the historic core around Church Street, the Whitgift Almshouses and Surrey Street Market. As a result, it imposes significant design controls on alterations to external appearance, roof materials and fenestration. Article 4 Directions Beyond the Old Town designation, the London Borough of Croydon operates Article 4 Directions across several residential streets. These directions withdraw standard Permitted Development rights. Therefore, extensions and alterations that would not normally require full planning permission may in fact do so. How We Handle Planning Constraints GSMS brings direct experience of working within these constraints. For example, we have navigated pre-application consultations with the London Borough of Croydon, specified matching stock bricks for Old Town extensions and designed loft conversions that satisfy conservation area guidance while maximising usable space. In addition, we check your property’s exact status during the free site survey and confirm the correct planning route before any design fees are incurred. 2026 Building Costs in Central Croydon Service Typical Cost Range (2026) Typical Timeframe Single-Storey Extension £32,000 – £60,000 10–16 weeks Double-Storey Extension £60,000 – £115,000 16–24 weeks Loft Conversion (Dormer) £38,000 – £72,000 8–14 weeks Hip-to-Gable Loft Conversion £45,000 – £78,000 10–16 weeks Basement Conversion £75,000 – £145,000 20–30 weeks Full Property Refurbishment £45,000 – £95,000 12–20 weeks Kitchen Renovation £12,000 – £28,000 4–8 weeks Bathroom Renovation £8,000 – £18,000 3–6 weeks RC Frame Structure £25,000 – £80,000 8–16 weeks All GSMS quotations are fixed-price. Planning, structural engineer and party-wall fees remain additional unless we include them in a managed package. How Local Builders in Central Croydon Work – The GSMS Fixed-Price Process Step 1 — Free Consultation A senior GSMS team member meets you at your property. We discuss your goals, review feasibility and advise on planning implications. There is no charge and no obligation. Step 2 — Site Survey and Design We carry out a full measured survey. Where needed, we coordinate with our structural engineering partners to assess load paths, ground conditions and RC Frame requirements. Step 3 — Fixed-Price Quote You receive a fully itemised, fixed-price contract document. Every line of work is costed. As a result,

Addiscombe Builders | GSMS Construction Ltd (CR0) Local Construction Services in Addiscombe – GSMS Construction Ltd GSMS Construction Ltd: Your Local Builders in Addiscombe CR0 Professional Builders Addiscombe | GSMS Construction Ltd CR0 Looking for trusted local builders in Addiscombe? GSMS Construction Ltd is a VAT-registered building company delivering high-quality house extensions, loft conversions, full refurbishments, basement conversions, and structural work across Addiscombe (CR0) and the surrounding areas.. We specialise in working with Addiscombe’s Victorian and Edwardian terraces as well as inter-war properties. Our directly employed in-house team handles every project from start to finish — no subcontractors for core trades, no middlemen, and clear fixed-price contracts. Why Homeowners Choose GSMS as Local Builders in Addiscombe Addiscombe’s housing stock — particularly streets such as Parkview Road, Everton Road, Sundridge Road, Claremont Road, Sherwood Road, Bingham Road, Compton Road, Ashburton Road and Northampton Road — consists largely of pre-1919 properties with solid masonry walls, cut-timber roofs and relatively shallow foundations. These homes often require careful structural solutions when extended or converted. GSMS Construction Ltd stands out because we offer: Building Services by Local Builders in Addiscombe House Extensions in Addiscombe We design and build single-storey rear extensions, double-storey side and rear extensions, L-shaped wraparound extensions, and full rear extensions. We manage structural calculations, Building Regulations, party wall agreements, and planning applications where required. Loft Conversions in Addiscombe Every loft conversion includes a new staircase, structural steelwork, insulation to current Part L standards, fire-rated boarding, and full electrical work. Basement Conversions Local Builders in Addiscombe Victorian foundations in Addiscombe are often shallow. Our in-house RC Frame team designs and pours reinforced concrete retaining structures, tanking systems and underpinned footings — work that most local builders subcontract at higher cost and greater risk. Full House Refurbishments Local Builders in Addiscombe Complete internal and external renovations, including new roofing, rewiring, replumbing, structural openings, and full reconfiguration under a single fixed-price contract. Kitchen & Bathroom Renovations Standalone projects or as part of larger schemes. We handle structural alterations (load-bearing wall removal, soil stack relocation) as well as full fit-out. Orangeries & Garden Rooms A popular planning-light way to add usable space. Many fall under Permitted Development rights. Groundworks & RC Frame Construction Our standout capability. We deliver groundworks, pile caps, reinforced concrete slabs, underpinning, retaining walls and raft foundations using our own plant fleet and directly employed operatives. Conservation Areas and Article 4 Directions in Addiscombe Parts of Addiscombe fall within conservation areas designated by the London Borough of Croydon, and some streets have Article 4 directions that remove certain Permitted Development rights. We check your property’s status during the free site survey and confirm whether your project can proceed under Permitted Development or requires a full planning application. 2026 Building Cost Guide – Addiscombe Project Type Typical Cost Range (2026) Single-storey rear extension £28,000 – £55,000 Double-storey extension £55,000 – £110,000 Wraparound (L-shaped) extension £60,000 – £110,000 Dormer loft conversion £38,000 – £68,000 Hip-to-gable loft conversion £45,000 – £75,000 Velux / rooflight loft conversion £22,000 – £38,000 Full house refurbishment £35,000 – £95,000 All quotations from GSMS are fixed-price. Planning, structural engineer and party wall fees are additional unless included in a managed package. How We Work – The GSMS Fixed-Price Process Areas We Cover Addiscombe (CR0), Shirley, East Croydon, South Croydon, Woodside, SE25, Thornton Heath (CR7), and surrounding postcodes. Frequently Asked Questions – Local Builders in Addiscombe How much does a house extension cost in Addiscombe in 2026? A single-storey rear extension typically costs £28,000–£55,000. Double-storey extensions range from £55,000–£110,000. We provide fixed-price contracts. Do I need planning permission for an extension in Addiscombe? Not always. Many projects qualify as Permitted Development, but conservation areas and Article 4 directions can change this. We check free of charge at the site survey. What is the best loft conversion for a Victorian terrace in Addiscombe? A rear dormer loft conversion usually maximises usable space and head height while remaining planning-friendly in many cases. Can you handle RC Frame and structural concrete work? Yes. We have our own in-house RC Frame and formwork team — a capability most local builders subcontract. Are you VAT registered? Yes. VAT number 429761270. Do you work in SE25 and nearby areas? Yes. We regularly work across CR0 and SE25, including East Croydon, South Croydon, Shirley and Woodside. Get a Free Site Survey from Local Builders in Addiscombe GSMS Construction Ltd delivers professional, transparent building services across Addiscombe with fixed-price contracts, an in-house team, and genuine structural capability. 📞 Call 07717 790273 or 07453 292996 📧 Email: info@gsmsconstructionltd.co.uk 🌐 Website: gsmsconstructionltd.co.uk Book your free site survey today and receive a clear, fixed-price quotation tailored to your project in Addiscombe.

Looking for reliable local builders in Croydon serving all major Croydon postcodes: CR0, CR2, CR5, CR7, CR8, SW16, SE25 and SE19? GSMS Construction Ltd is a VAT-registered building company serving all major Croydon postcodes: CR0, CR2, CR5, CR7, CR8, SW16, SE25 and SE19. We specialise in house extensions, loft conversions, basement construction, groundworks, RC Frame, and full property renovations.. What sets us apart is simple: we work with a directly employed in-house team, we provide fixed-price contracts (not estimates), and we have genuine in-house capability for reinforced concrete (RC) Frame and formwork — something very few local builders in Croydon can offer. What to Look for in Local Builders in Croydon Before hiring any builder, check these four points carefully: Why Choose GSMS as Your Local Builders in Croydon In-House RC Frame & Formwork from Local Builders in Croydon Most local builders in Croydon cannot deliver reinforced concrete frames themselves. We can. This makes us especially suitable for basement construction, larger extensions, new builds, and commercial projects that require structural concrete. Owned Plant Fleet We own our diggers, dumpers and concrete equipment. This means groundworks start on time without waiting for third-party plant hire companies. Fixed-Price Contracts from Local Builders in Croydon We do not work on open-ended estimates. After a free site survey, we issue a clear fixed-price contract. The price we agree is the price you pay for the agreed scope of work. No Subcontractors for Core Works Our team carries out groundworks, structural work, brickwork and key stages of the build. This improves quality control, accountability and consistency. Commercial Capability In addition to residential work, we handle commercial construction, retail fit-outs and food retail / commercial kitchen projects — a rare combination among local builders in Croydon. Building Services Offered by Local Builders in Croydon Local Builders in Croydon Covering All Major Postcodes 2026 Building Cost Guide from Local Builders in Croydon Project Type Typical Cost Range (2026) Single-storey extension £25,000 – £55,000 Double-storey extension £55,000 – £110,000 Loft conversion £35,000 – £70,000 Basement construction £80,000 – £180,000 New build (per m²) £1,800 – £2,800 per m² Full house refurbishment £30,000 – £90,000 Structural alterations £5,000 – £25,000 These are realistic local ranges based on current Croydon market conditions. Exact costs depend on the specific property, access, and specification. We always provide a fixed-price quotation after a free site survey. How GSMS Work Frequently Asked Questions About Local Builders in Croydon Do you cover all Croydon postcodes? Yes. We regularly work in CR0, CR2, CR5, CR7, CR8, SW16, SE25 and SE19. Do you provide fixed-price contracts? Yes. We issue fixed-price contracts after the free site survey. The agreed price is the price you pay for the agreed scope. Are you VAT registered? Yes. Our VAT number is 429761270. Do you use subcontractors? We use our own in-house team for core trades including groundworks and structural work. Can you handle commercial projects? Yes. We undertake commercial construction, retail fit-outs and commercial kitchen projects in addition to residential work. Get a Free Site Survey from Local Builders in Croydon GSMS Construction Ltd is a VAT-registered local building company serving Croydon and the surrounding postcodes. We combine residential building expertise with genuine structural and commercial capability. 📞 Call us on 07717 790273 or 07453 292996 📧 Email: info@gsmsconstruction.co.uk 🌐 Website: gsmsconstructionltd.co.uk Book your free site survey today and receive a clear, fixed-price quotation for your project.

👉 FREE PROJECT CONSULTATION + QUOTE – No Obligation – Call Why Choose a Professional Construction Company in London | GSMS Construction Ltd 👉 FREE PROJECT CONSULTATION + QUOTE – No Obligation – Call +44771779 0273 Your London Construction Project Starts Here Planning a new build? Renovating an existing property? Need a trustworthy construction company in London to bring your vision to life? The right construction company in London makes all the difference. We’re GSMS Construction Ltd, and we’ve spent 20+ years building relationships—one project at a time—with homeowners and businesses across London. Let me be direct: Hiring the wrong construction company in london can cost you thousands in delays, poor quality, and hidden expenses. But choosing a reliable construction company in London that communicates, delivers on time, and stands behind its work? That’s an investment that pays dividends. This guide explains what separates a great construction company in london from the rest. More importantly, it shows you exactly how we approach every project differently. We’re not the cheapest construction company in london. We’re the smartest choice. Why London Construction Projects Fail (And How the Right Construction Company in London Prevents It) Every year, thousands of London construction projects run over budget, miss deadlines, or deliver subpar results. Why? Poor Planning: Many construction companies in london skip detailed planning. They jump straight to building. Communication Breakdown: Clients don’t understand progress. Contractors don’t explain decisions. Misunderstandings multiply. Hidden Costs: A “free quote” becomes £15,000 more by month three. Undisclosed expenses pile up. Subcontractor Issues: When a construction company in london outsources to unreliable subcontractors, quality suffers. No Accountability: The cheapest construction companies in london disappear when problems arise. The result? Your project becomes a nightmare instead of a success story. Here’s the truth: The difference between a mediocre construction company in london and an exceptional one isn’t price—it’s systems, transparency, and accountability. What Makes GSMS Construction Ltd a Different Kind of Construction Company in London We’re not just another construction company . Here’s how we stand out: ✅ Transparent Process From Start to Finish When you hire us as your professional builders, here’s exactly what happens: Phase 1: Free Consultation (30 minutes) Phase 2: Detailed Site Assessment (1-2 hours) Phase 3: Detailed Quotation (24-48 hours) Phase 4: Project Kickoff ✅ Quality Construction Services That Last As a professional construction company in london, we don’t cut corners. Our approach includes: Unlike budget construction companies in london, we invest in doing it right the first time. ✅ On-Time, On-Budget Project Completion Our reputation as London’s most reliable construction company in london is built on delivering projects exactly as promised. How do we do it? Result: 95% of projects complete on schedule. 100% on budget. ✅ Local Expertise in London Construction Based in central London, we understand: This local construction expertise means fewer surprises and faster approvals. ✅ Comprehensive Construction Services Whether you need a small renovation or a major new build, our construction company in london offers: No matter the scope, we’re equipped as your construction company in london. ✅ Professional Project Management When you hire GSMS as your construction company in london, you get a dedicated project manager who: The GSMS Construction in London Difference: Real Results Case Study #1: Hammersmith Home Extension Project: Two-storey extension on Victorian propertyChallenge: Listed building status required careful planningSolution: Our construction company in London navigated heritage planning requirementsResult: 8-week project, on budget, buyer paid £45,000 premium for quality work Case Study #2: Islington Commercial Fit-Out Project: 5,000 sq ft office space refurbishmentChallenge: Client needed to move in 6 weeksSolution: Our construction services in London coordinated 40+ contractors simultaneouslyResult: Completed in 5 weeks, under budget, now occupied for 3 years Case Study #3: Westminster Loft Conversion Project: Victorianterrace top-floor loftChallenge: Complex structural requirementsSolution: Our construction company in london brought in engineers earlyResult: Beautiful additional bedroom, only 6-week timeline, planning approval first try What to Expect From a Professional Construction Company in London Transparent Communication A quality construction company in London keeps you informed: Professional Conduct The best construction services in London means: Quality Workmanship A reliable construction contractor in London delivers: Reasonable Timelines Our construction company in london provides: Don’t Fall For the Budget Trap: Why Cheap Isn’t a Bargain in London Construction “We’ll do your construction project for 30% less!” Here’s how that usually ends: Month 1: Discovery of “hidden problems” (+£5,000)Month 2: “Unexpected structural issues” (+£8,000)Month 3: “Supplier delays, need more time” (+3 weeks)Month 4: “Subcontractor disappeared, rehiring needed” (+£3,000)Final Result: Over budget, behind schedule, stressed This isn’t hypothetical. We’ve rehired contractors from 20+ failed projects. The “cheapest construction company in london” often costs the most overall. Why choose GSMS Construction Ltd? No surprises. No regrets. Frequently Asked Questions About London Construction Services Q: How do I know if a construction company in London is reliable? A: Check credentials (insurance, qualifications), ask for references, read reviews, get detailed quotes, and assess communication quality. A professional construction company in london will provide all of this willingly. Q: What should a construction company in London include in their quote? A: Everything. Labour, materials, site management, insurance, contingency, timelines, payment schedule, warranties, and insurance. If it’s not listed, assume it’s not included. Q: How long does a typical London construction project take? A: Depends on scope. A bathroom renovation: 3-4 weeks. A kitchen: 4-6 weeks. An extension: 8-12 weeks. A full renovation: 3-6 months. A professional construction contractor in london will provide a detailed timeline. Q: Can a construction company in London work around my schedule? A: Yes. Most projects work around your needs. Start early, finish late, work weekends if needed. Just clarify upfront. Q: What guarantees does a construction company in london offer? A: We guarantee 10-year structural warranties, 2-year workmanship guarantees, and full building regulation sign-off. Anything less is risky. Our Service Areas: London Construction Coverage GSMS Construction serves all of London, including: East London | West London | North London | South London | Central London | Outer London Specific areas: Hammersmith |

Looking for house extensions in Croydon? Are you running out of space in your Croydon home but don’t want to move? House extensions in Croydon offer the perfect solution to expand your living space, increase property value, and create the home you’ve always wanted without relocating. At GSMS Construction Ltd, we’ve helped hundreds of Croydon homeowners transform their properties with beautiful, bespoke extensions. This comprehensive guide covers everything you need to know about house extensions in Croydon, including types, costs, planning permission requirements, and how to choose the right builder for your project. Why House Extensions in Croydon Are a Smart Investment Croydon is one of London’s most vibrant areas with diverse Victorian terraces, Edwardian homes, and modern properties. Many families find themselves in properties that no longer meet their needs. Instead of the stress and expense of moving, house extensions in Croydon offer a proven alternative that saves both time and money. Moving house comes with significant costs most homeowners overlook: estate agent fees (1-2% of property value), solicitors’ fees (£1,500-£3,000+), stamp duty (up to 15%), surveyor costs (£400-£800), and moving costs (£2,000-£5,000+). A house extension in Croydon typically costs far less and offers better value. Adding square footage in London is worth over three times more than equivalent property elsewhere in the UK, making house extensions in Croydon an excellent investment. Quality extensions consistently add lasting value to Croydon properties. Well-designed house extensions in Croydon can increase property value by 5-15%, make your home more attractive to buyers, provide immediate ROI through improved living standards, and save money on energy bills with modern insulation. Types of House Extensions Available in Croydon Rear Extensions Rear extensions are the most popular choice for house extensions in Croydon. They extend the back of your property, creating additional space while maintaining your property’s street appearance. Ideal for kitchens, dining areas, and living spaces, most single-storey rear extensions fall under Permitted Development Rights and don’t require planning permission. Typical cost range: £30,000-£60,000. Side Return Extensions Side return extensions are perfect for Victorian and Edwardian terraced properties throughout Croydon. These fill the gap between your property and neighboring buildings, creating narrow extensions along the side. Ideal for additional bedrooms and home offices, these often require planning permission. Typical cost range: £40,000-£75,000. Loft Conversions Loft conversions transform unused attic space into functional rooms. Croydon’s mix of Victorian and mid-century homes offers excellent loft conversion potential. Available options include Velux conversions (roof windows), dormer conversions (extended roof), and hip-to-gable conversions. Generally don’t require planning permission but need building regulations approval. Typical cost range: £8,889-£20,812 (significantly cheaper than ground-floor extensions). Kitchen Extensions Modern trends favor open-plan kitchen/dining/living spaces. Kitchen extensions combine existing kitchens with dining and living areas, creating multifunctional family spaces. Depending on size and design, many fall under Permitted Development. Typical cost range: £35,000-£75,000 including kitchen installation. House Extension Costs in Croydon: What to Expect Current building work in Croydon averages £1,000-£2,000 per square meter. Single-storey rear extensions typically cost £21,851-£63,110, while loft conversions range from £8,889-£20,812. Cost breakdowns typically include materials (40%), labour (30%), preliminaries (15%), contingency (10%), and permits/admin (5%). Factors affecting house extension costs in Croydon include material choices, complexity of design, planning permission requirements, building regulations compliance, site access and conditions, and quality of finishes. Always obtain quotes from at least 3 builders. Professional builders should provide detailed quotes including material specifications, labour breakdown, timeline and milestones, payment schedule, warranty terms, and insurance certifications. Planning Permission & Building Regulations in Croydon Not all extensions require planning permission. Many fall under “Permitted Development Rights,” which allow certain construction without formal planning approval. However, house extensions in Croydon have specific rules: most single-storey rear extensions can be built under Permitted Development if they extend no more than 4 meters from the main wall, don’t exceed 50% of original garden area, are no higher than main house eaves, and comply with building regulations. Important: Permitted Development Rights are restricted in conservation areas covering much of central Croydon including CR0, parts of Thornton Heath, and Upper Norwood. Planning permission is needed for double storey extensions, extensions in conservation areas, side extensions, front extensions, extensions exceeding permitted development limits, and listed buildings. Croydon Council works to a clear timeline: standard planning applications (8 weeks for decision), pre-application advice (3-5 weeks), and discharge of conditions (3-4 weeks). All extensions require Building Regulations approval, whether or not they need planning permission. Building Regulations ensure structural safety, fire safety compliance, adequate ventilation, energy efficiency standards, access and mobility requirements, and electrical and plumbing safety. The process includes submitting building regulation applications with detailed drawings, paying approval fees, work inspections at foundation and completion stages, and receiving completion certificates. Different areas of Croydon have different planning rules: CR0 (Central Croydon) has 1930s semis and Victorian terraces with conservation areas requiring pre-application advice; CR2 (South Croydon) offers more flexibility; SE25 (Upper Norwood) has Victorian and Edwardian properties with varying conservation coverage; and suburban areas have fewer restrictions. How to Choose the Right Extension Builder in Croydon Selecting a reputable, experienced builder is crucial for successful house extensions in Croydon projects. Ask essential questions: How many years of extension experience? (Look for 10+ years minimum), Can you provide local Croydon references?, What’s your planning approval rate? (90%+ indicates experience), Are you fully insured?, What’s included in the quote?, Do you handle planning permission management? Check credentials including Federation of Master Builders (FMB) membership, RIBA membership for architects, NHBC warranty, CPA certification for conservation areas, Google reviews and Trustpilot ratings, and Checkatrade profiles. Request portfolio of recent Croydon extensions, before/after photos, client references, examples in conservation areas, and case studies. The cheapest quote isn’t always best value. A slightly higher price from experienced, reputable builders often saves money through better project management and fewer delays. Benefits of House Extensions for Croydon Homes Quality house extensions in Croydon provide numerous benefits beyond adding square footage. Extensions create extra bedrooms for growing families, home offices for remote workers, playrooms for children, entertainment spaces, and

Construction Company Wembley | In-House RC Frame & Commercial Builders | GSMS Construction Ltd GSMS Construction Ltd is a professional construction company based in Wembley (HA9), delivering high-specification residential and commercial projects across the London Borough of Brent and surrounding areas. We specialise in in-house RC frame and formwork, basement construction, house extensions, commercial retail fit-outs, and operated plant hire. With named commercial project experience and a strict fixed-price approach, we deliver complex builds that many local contractors in Wembley either subcontract or avoid. What Makes a Construction Company Worth Trusting in Wembley? Wembley and the wider Brent area have experienced consistent construction demand, driven by population growth and ongoing commercial regeneration around the National Stadium. This has created a crowded market of builders — some capable, many not. A construction company worth trusting in Wembley should meet five clear standards: GSMS Construction Ltd meets every one of these requirements. Why GSMS Construction Ltd Stands Out in Wembley Most builders in Wembley focus on standard residential work and subcontract specialist trades. GSMS operates differently. Proven Commercial Capability We have delivered named commercial projects that demonstrate real capability: These projects show that GSMS can handle complex commercial work with the level of coordination and compliance that many residential builders in Wembley do not offer. In-House RC Frame and Formwork Wembley Reinforced concrete frame construction requires specialist skills in formwork design, rebar placement, and concrete management. The majority of builders in Wembley subcontract this work, which increases cost and creates accountability gaps. GSMS retains RC frame and formwork in-house. This allows us to deliver basement conversions, large structural extensions, and commercial buildings with greater control over quality, cost, and programme. Fixed-Price Contracts and Single Point of Accountability Every project is delivered under a fixed-price contract. You know the full cost before work begins. GSMS manages the entire process — from groundworks and structural work through to fit-out and final handover — under one team and one contract. Full Compliance and Insurance GSMS Construction Ltd holds full public liability and employer’s liability insurance. All structural work is carried out in compliance with current Building Regulations and in coordination with Brent Council Building Control. Our Construction Services in Wembley House Extensions Wembley We build single-storey rear extensions, double-storey extensions, wrap-around extensions, and kitchen-diner extensions across Wembley and Brent. Every project includes structural design, Building Regulations compliance, and fixed-price pricing from the outset. Basement Construction & Conversions Wembley Basement projects offer high value in areas where above-ground space is limited. GSMS delivers full basement construction — excavation, waterproofing, RC frame tanking, drainage, and internal fit-out — using our in-house groundworks and formwork capability. Commercial Construction & Retail Fit-Outs Wembley We deliver commercial construction and retail fit-outs for national and independent brands. Our experience includes food retail environments with demanding hygiene, ventilation, and structural requirements. Commercial work is accepted across Greater London and the M25 corridor. RC Frame Construction Wembley We provide in-house reinforced concrete frame construction for basement builds, large extensions, and commercial structures. Keeping this capability in-house reduces cost, improves quality control, and removes the risks associated with subcontracting. Driveways, Landscaping & Operated Plant Hire Wembley GSMS delivers driveway construction and landscaping services in compliance with Brent Council requirements. We also offer dumper and digger hire with an experienced driver — an in-house service that provides operators who understand construction sequencing and site safety. Areas We Cover Local Builders Wembley GSMS Construction Ltd is based in Wembley (HA9) and covers residential and commercial projects within a 30-mile radius, including: Postcode Main Areas HA9 Wembley HA0 Sudbury HA1–HA3 Harrow and surrounding areas UB5–UB6 Northolt and Greenford W3, W5, W13 Acton, Ealing and West Ealing NW9–NW10 Kingsbury, Neasden and Willesden Commercial construction projects are accepted across Greater London and the full M25 corridor. GSMS vs Typical Builders in Wembley Capability GSMS Construction Ltd Typical Wembley Builder RC Frame & Formwork In-house capability Usually subcontracted Named Commercial Projects Morrisons Daily + Global Fresh Bazaar Mostly residential only Basement Construction Full in-house delivery Often declined or subcontracted Operated Plant Hire In-house dumper & digger with driver Rarely offered Fixed-Price Contracts Standard on every project Variable pricing is common End-to-End Delivery One team, one contract Multiple subcontractors common Service Area 30-mile radius from HA9 Typically limited to 5–10 miles Our Construction Process We follow a clear and transparent four-step process: Frequently Asked Questions What is the best construction company in Wembley? The best contractor depends on your project requirements. For work involving RC frame, basement construction, or commercial capability, GSMS Construction Ltd offers in-house structural expertise and proven commercial project experience that many local builders do not provide. How do I choose a reliable builder in Wembley? Verify insurance, confirm experience with Brent Council Building Control, request named project examples, insist on a written fixed-price contract, and check which trades are carried out in-house. GSMS meets all of these standards. What services does GSMS offer in Wembley? House extensions, basement construction, RC frame and formwork, commercial construction, retail fit-outs, driveways, landscaping, and operated plant hire. Are you fully licensed and insured? Yes. GSMS holds full public liability and employer’s liability insurance. All structural work complies with current Building Regulations and Brent Council requirements. How long does a house extension in Wembley take? A standard single-storey rear extension typically takes 10–16 weeks. Double-storey or structurally complex extensions can take 20–28 weeks. Planning permission, where required, usually adds 8–13 weeks. How do I get a free quote? Call +44 7717 790273 or +44 7453 292996, or email info@gsmsconstruction.co.uk to arrange a free no-obligation site visit. A detailed fixed-price quotation will follow. Ready to Start Your Project in Wembley? If you are looking for a construction company in Wembley that can deliver structural and commercial projects with in-house capability and complete pricing transparency, GSMS Construction Ltd is ready to help. Whether you need a house extension, basement conversion, commercial fit-out, or operated plant hire, our team will assess your project and provide a fixed-price quote with no obligation. Get your free

Construction Company Croydon | CR0, CR2, CR5, CR7, CR8, SW16 & SE25 Trusted Builders for Extensions, RC Frame & Basements | GSMS Construction Ltd GSMS Construction Ltd is a professional, VAT-registered construction company serving Croydon and South London. We specialise in residential extensions, commercial construction, RC frame and formwork, basement conversions, and full property refurbishments across CR0, CR1, CR2, CR5, CR7, and CR8. Our in-house team delivers every project with transparent fixed-price contracts and full Building Regulations compliance — from free site survey to final handover. What Makes a Reliable Construction Company in Croydon? Croydon is one of South London’s most active construction areas. Permitted development rules have opened opportunities for loft conversions, rear extensions, and basement projects, while commercial zones around central Croydon and Purley Way continue to attract new retail and food businesses. Not every contractor meets the standards required for quality, safety, and reliability. Many rely heavily on subcontracting, provide verbal quotes that later change, or lack proper insurance and Building Control experience. A trustworthy construction company in Croydon should offer: GSMS Construction Ltd meets all of these standards on every project. Why Choose GSMS Construction Ltd As Construction Company Croydon GSMS Construction Ltd was founded to handle technically demanding projects that many local builders either avoid or subcontract. We combine genuine in-house technical capability with complete pricing transparency. Our key strengths include: These standards apply whether we are building a single-room refurbishment in CR2 or a multi-storey commercial project in CR0. Our Construction Services in Croydon Residential Extensions Croydon We design and build single-storey rear extensions, side-return extensions, wrap-around extensions, and double-storey additions. Every project starts with a structural assessment and planning review to confirm permitted development rights or secure planning permission where needed. We coordinate directly with Croydon Council Building Control to ensure full structural, thermal, and fire compliance. All materials and finishes are agreed in writing before work begins. Commercial Construction & Retail Fit-Outs Croydon Commercial projects require higher standards of programme management and regulatory compliance. We deliver commercial builds and retail fit-outs, including food retail environments that demand hygienic finishes, specialist drainage, and Environmental Health compliance. We provide a single-contract solution covering structural works, internal fit-out, M&E coordination, and final commissioning. RC Frame & Formwork Croydon Reinforced concrete frame construction is technically demanding and requires specialist formwork engineering, precise rebar placement, and controlled curing. Most residential builders in Croydon subcontract this work. GSMS retains this capability in-house. This allows us to deliver basement construction, multi-storey buildings, retaining walls, and podium structures with full control from pour to sign-off. Basement Construction & Conversions Croydon Basement work is high-value but complex. Ground conditions vary across Croydon postcodes — clay-heavy soils in CR5 and CR8, and made ground in parts of CR0 — each requiring different waterproofing and structural solutions. We manage the full process: structural engineering, groundworks, tanking, RC frame walls and slab, internal fit-out, and Building Control sign-off. Groundworks, Landscaping & Driveways Croydon We provide professional groundworks including excavation, drainage, foundations, and sub-base preparation. We also deliver landscaping and driveway construction with block paving, resin-bound surfaces, retaining walls, and SuDS-compliant drainage where required by Croydon Council. Property Refurbishments Croydon We manage full residential and commercial refurbishments — from structural alterations to high-specification interior fit-outs — with the same fixed-price discipline and Building Regulations compliance. Areas We Cover As Local Builders Croydon GSMS Construction Ltd serves the following postcodes as standard: Postcode Main Areas CR0 Central Croydon, Addiscombe, Shirley, Woodside CR1 Croydon town centre, Broad Green, Waddon CR2 South Croydon, Sanderstead, Purley CR5 Coulsdon, Old Coulsdon, Hooley CR7 Thornton Heath, Norbury, Selhurst CR8 Purley, Kenley, Riddlesdown We also undertake commercial and specialist RC frame projects across Sutton, Bromley, Merton, Lambeth, and wider South London. GSMS Construction Ltd vs Typical Croydon Builders Capability GSMS Construction Ltd Typical Croydon Builder RC Frame & Formwork In-house capability Usually referred out Basement Construction Specialist in-house team Rarely offered Commercial & Food Retail Builds Experienced and compliant Mostly residential only Fixed-Price Contracts Standard on every project Frequent price drift VAT Registration Yes — VAT No. 429761270 Often unregistered Full CR0–CR8 Coverage Yes Often limited Free Site Survey Yes, no obligation Often charged Our Construction Process We follow a clear four-stage process with no surprises: Sustainable Construction Practices We apply practical sustainable standards on every project: Frequently Asked Questions – Construction Company Croydon What is the best construction company in Croydon? The best contractor matches your specific project needs. For RC frame, basement, or commercial work, GSMS Construction Ltd is one of the few Croydon-based companies with verified in-house capability across these disciplines, combined with fixed-price contracts and full Building Regulations compliance. How do I choose a reliable construction company in Croydon? Check VAT registration, request insurance certificates, ask for local references, and insist on a written fixed-price contract. GSMS Construction Ltd (VAT No. 429761270) provides all documentation upfront and works directly with Croydon Council Building Control. What services does GSMS offer? Residential extensions, commercial construction, RC frame and formwork, basement conversions, food retail fit-outs, full refurbishments, groundworks, landscaping, and driveways — all delivered by our in-house team across CR0–CR8. Are you fully insured and compliant? Yes. We hold full public liability and employer’s liability insurance and are VAT registered (No. 429761270). All structural work complies with Building Regulations. Do you cover all Croydon postcodes? Yes — CR0, CR1, CR2, CR5, CR7, and CR8 as standard, plus wider South London for commercial and specialist projects. How much does a home extension cost in Croydon? Single-storey rear extensions typically range from £1,500–£2,200 per m². Double-storey extensions range from £1,800–£2,500 per m². Basement conversions range from £2,500–£4,000 per m². We provide a fixed-price quote tailored to your project after a free site survey. How do I get a free quote? Call +44 7717 790273 or +44 7453 292996, or email info@gsmsconstruction.co.uk to book a free site survey. We will visit your property and deliver a written fixed-price proposal within five working days. Start Your Project Today Looking for a construction company in