Extensions, Loft Conversions & Home Refurbishments Across South West London & Surrey
Creating beautiful homes through quality design, craftsmanship and project management.
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About us
InstaFlame Design & Build Specialists Across South West London & Surrey
Instaflame began as a plumbing and heating business and has grown into a trusted Design & Build company serving homeowners across South West London and Surrey.
Through quality workmanship, customer recommendations and repeat business, we expanded into bathrooms, kitchens, refurbishments, extensions and loft conversions, building a strong reputation along the way.
Today, with a growing team and hundreds of positive reviews, we deliver everything from home improvements to complete property transformations, whilst maintaining the same commitment to quality, communication and customer service that the business was built on.
- 600+ Customer Reviews
- 9.9/10 Checkatrade Rating
- 4.9 Google Rating
- 700+ Completed Projects
- Full-Time in house Tradesmen
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Featured Services
From extending and transforming existing homes to delivering complete property developments, InstaFlame Design & Build provides a comprehensive range of construction services across Wimbledon, South West London and Surrey. Our experienced team manages every stage with a focus on quality workmanship, careful planning and a finish designed around the way you want to live.
Create more space while staying in the home and location you love. From rear and side extensions to wraparound designs, our house extensions are carefully planned to improve everyday living, natural light, flow and the long-term value of your property.
Transform unused roof space into a valuable new part of your home. From additional bedrooms and en-suites to home offices and flexible living areas, our loft conversions are designed to maximise space, natural light and the potential of your property.
Refresh tired spaces and give your home new life. From single rooms to full refurbishments, our team manages building work, installations and finishes to create practical, cohesive interiors with flow, comfort and function, all completed to a high standard throughout.
Bring every stage of your project together with one experienced team. From design and planning through building and final finishes, our Design & Build service manages each step to deliver renovations, new homes and high-quality property developments with confidence and care.
How we work
Our work process
Consultation
We discuss your ideas, requirements and budget.
01.
Design & Planning
We develop the designs and prepare everything needed to get your project underway.
02.
Construction
Our team delivers the build and manages the project through to completion.
03.
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Years of experience
+
Completed projects
+
Checkatrade reviews
+
Google reviews
+
Get a quick quote
Tell us about your project and we'll be in touch within one working day.
Prefer to talk? Freephone 0800 051 9369
Transforming Homes Across South West London & Surrey
Rear Extension & Loft Conversion
Walton On Thames KT12
Whole House Refurbishment
Cobham KT11
Whole House Refurbishment
Oxshott KT22
Have A Look At Our Most Recently Completed Projects
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Instaflame Design & Build is proud to be accredited by leading industry organisations including Checkatrade, Constructionline, City & Guilds, Considerate Constructors Scheme, Gas Safe Register, SafeContractor and the Federation of Master Builders. These accreditations demonstrate our commitment to quality workmanship, customer service, health & safety and professional standards.
''Our most important accreditation is the recommendation of a client who trusted us with their home.''
Accreditations & Memberships
Transforming Homes Across South West London & Surrey
Whether you’re planning a rear extension in Wimbledon, a loft conversion in Raynes Park or a complete home refurbishment in Surrey, Instaflame Design & Build manages every stage of the process from initial consultation through to final handover.
Our experienced team combines quality craftsmanship, project management and clear communication to deliver projects that add value, improve living space and transform homes.
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