House Extensions Croydon & Surrounding Areas
Professional, Reliable & High-Quality House Extensions in Croydon
If you’re looking for professional house extensions in Croydon, GSMS Construction Ltd provides high-quality side extensions, rear extensions, loft conversions and combined extensions across Croydon and surrounding areas. With over 10 years of local experience and more than 50 successful projects completed, we support both domestic and commercial clients. In addition, we offer complete design, planning permission, and construction services across all major Croydon postcodes including CR0, CR2, CR4, CR5, CR7 and CR8. Therefore, your extension project runs smoothly from start to finish.
Why Choose GSMS Construction Ltd for House Extensions in Croydon and Surroundings?
Choosing the right company for your house extension is essential. At GSMS Construction Ltd, we combine experience, reliability, and customer-focused service to deliver real value.
- Over 10 years of local experience with house extensions in Croydon
- Full planning permission and building regulations service
- Transparent pricing with no hidden costs
- 5-year workmanship guarantee on all work
- Dedicated project manager for every job
- Clean working practices and minimal disruption
- Strong reputation across Croydon and surrounding areas
Our goal is to provide high-quality house extensions with professional service and clear communication from start to finish.
Our House Extension Services in Croydon and Surrounding Areas
We provide a complete house extension service suitable for different types of properties across Croydon and surrounding areas.
Side Extensions :
Side extensions are ideal for adding extra bedrooms, home offices or living space. We offer solutions for both tight access areas and larger properties, carefully designed to match the style of your existing home.
Rear Extensions:
Rear extensions remain one of our most popular services. We create modern open-plan kitchens, dining areas and family living spaces with direct garden access. In addition, these extensions are built to high standards with excellent natural light.
Loft Conversions:
 Specialised in transforming unused loft space into comfortable bedrooms, master suites or additional living areas. Our loft conversions include proper insulation, ventilation and high-quality finishes.
All our house extensions come with full planning permission support, building regulations compliance and professional project management to ensure quality, safety and reliability.
Extension Projects
Quality home extensions transforming spaces across Croydon
Rear Kitchen Extension
đź“Ť Croydon Town Centre, CR0
Beautiful rear kitchen extension added to a Victorian terrace, featuring modern finishes and natural lighting.
"Professional, on-time, beautiful work! Our new kitchen is exactly what we dreamed of."
Side Extension
đź“Ť South Croydon, CR2
Side extension creating additional bedroom and ensuite for a semi-detached home with premium fittings throughout.
"Excellent work from start to finish! GSMS handled everything professionally."
Luxury Master Suite
đź“Ť Coulsdon, CR5
Premium loft conversion transforming attic space into luxurious master suite with modern amenities and skylights.
"Our loft conversion exceeded expectations! GSMS was professional and delivered excellent quality."
Who We Work With for House Extensions in Croydon
At GSMS Construction Ltd, we work with a wide range of clients across Croydon and surrounding areas who need professional house extension services.
Homeowners: Helping:
 homeowners improve their living space, add value to their property, or create more room for their growing families.Â
Builders & Contractors:
We collaborate with builders and contractors on residential projects, delivering quality extension work that meets deadlines and high standards.
Property Developers:Â
Supporting property developers looking to maximise the potential of residential properties through well-planned and professionally executed extensions.
Landlords:Â
Assisting landlords who want to increase rental value and appeal by adding extra bedrooms or improving existing layouts.
Areas We Cover for House Extensions in Croydon
We provide professional house extensions in Croydon and surrounding areas with fast, reliable service and local expertise.
- Croydon and all major South London areas
- South Croydon, Coulsdon, Purley and Sanderstead
- Thornton Heath, Norbury and Upper Norwood
- Kenley, Warlingham and nearby villages
- Wembley and parts of North West London
- Bexleyheath and surrounding areas of Kent
With over 10 years of local experience, our in-depth knowledge of Croydon and surrounding areas allows us to deliver high-quality house extensions quickly and efficiently while maintaining excellent communication throughout your project.
Trusted Local House Extension Specialists Croydon and Surroundings
GSMS Construction Ltd has built a strong reputation for quality and reliability in Croydon. We understand how important your home is, which is why we focus on clear communication and professional workmanship.
With over 10 years of local experience and more than 50 successful house extension projects completed, we combine local knowledge with high standards of work. Whether you need a small rear extension or a large combined project, you can rely on us for consistent quality and dedicated support from start to finish.
Croydon Planning & Building Regulations
We handle 100% of planning and building regulations for you, giving you complete peace of mind.
Planning Permission Most extensions require planning permission. We prepare and submit applications to Croydon Council on your behalf.
Conservation Areas We understand Croydon’s conservation rules and manage approvals in these areas with care and experience.
Council Management We handle all communication with Croydon Council until your project receives full approval.
Quick Approvals Most planning applications are approved within 6–8 weeks. We keep the process moving efficiently.
Frequently Asked Questions for House Extensions Croydon
How much do house extensions cost in Croydon? Costs typically range from ÂŁ45,000 to ÂŁ150,000 depending on size and type.
How long do extensions take? Most house extensions take 12 to 16 weeks to complete.
Do I need planning permission? Most extensions require it. We manage the full application process for you.
What is included in the quote? Design, planning, building regulations, materials, labour, and a 5-year guarantee.
Do you offer a guarantee? Yes, we provide a 5-year workmanship guarantee on all house extensions.
Which areas do you cover? We cover all Croydon postcodes and nearby areas including Wembley and Bexleyheath.
Get a Fast Quote Today
If you’re planning a house extension in Croydon, Wembley, Bexleyheath or surrounding areas, GSMS Construction Ltd is ready to help.
Speak directly with our experienced team
Get a free no-obligation consultation
Receive a clear and detailed quotationBenefit from our local knowledge and expertise
We provide fast responses, high-quality workmanship and professional service on every house extension project.
Quality Construction, Reliable Results
Quick Links
Contact
- 077 1779 0273 / 074 5329 2996
- info@gsmsconstruction.co.uk
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