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We Fix & Upkeep Ltd
Cosmin-Adrian Aporcariti
We are a company based in South London, with a strong will to work and to do the best job possible every tine we start a job (big or small) because...
"Garage" - KT15, job posted 15/09/25
PURE DESIGN AND BUILD
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
GS Wood Building Services
Need to find an Extension Builder near you for all your extension buildering work?
GS Wood Building Services provides a local, trusted exte...
£45/hr
£287/day
CRESSWELL DESIGN & BUILD
CRESSWELL DESIGN & BUILD are here to help customers who need an Extension Builder in KT15. We offer a competitive rate to complete all your extensi...
£48/hr
£302/day
Tolwey
Surrey, KT15
Need to find an Extension Builder near you for all your extension buildering work?
Tolwey provides a local, trusted extension buildering se...
£42/hr
£267/day
EcoWoodDesign
EcoWoodDesign are here to help customers who need an Extension Builder in KT15. We offer a competitive rate to complete all your extension builderi...
£41/hr
£260/day
Hanging Space
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£37/hr
£239/day
D&M Construction Bro. Ltd
THE COMPREHENSIVE ALL LONDON BUILDING COMPANY\nD&M Construction Group Ltd can offer competitive quotes on all your building requirements. \
£50/hr
£316/day
JDM (D&B) Ltd
As a successful Surrey Property building Company, we pride ourselves not only on what we produce for our clients, but also the manner that we appro...
£120/hr
£216/day
GJ Roofing
George Jakubait
Welcome to GJ Roofing. We are a family run business based in Surrey which cover all surrounding areas with over 15 years experience. We undertake a...
£41/hr
£260/day
Mulberry Design & Build Ltd
General Building, Landscaping and Driveway Specialists. Some of the tasks we complete tasks such as refurbishments, extensions and conversions to d...
£23/hr
£209/day
Inspiral Construction
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£43/hr
£272/day
Redridge Developers UK
At Redridge, our fundamental goal is to deliver the house that you want, on budget and on time. We take pride in our finished homes as they are wha...
£49/hr
£309/day
Form Projects
Form Projects is an established and experienced local extension builder in KT15. Please contact us for a free, no obligation quote and competitive ...
Quickly find an Extension Builder in KT15
Use these steps to find Extension Builders in KT15 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in KT15. We’ll notify you via text or email when an Extension Builder is available to quote.
- Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local KT15 Extension Builders or phone them directly - you’re in control!
Local Extension Builders in London Boroughs
Job estimates from extension builders near you
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.
Build a timber frame extension - £26,104
Garden office - £10,104
Granny annexe - £87,104
Build a flat roof extension - £22,104
Convert a Garage - £16,104
Hip to gable loft conversion - £42,104
Convert a bungalow loft - £29,104
Build a dormer loft conversion - £42,104
Build a swimming pool - £81,104
Build a Mansard loft conversion - £52,104
Concrete foundations - £6,354
Underpin a building - £17,604
Two storey extension - £88,156
Convert a basement - £38,670
Side return extension - £42,670
Loft conversion - £34,725
Garage - £18,604
Single storey extension - £57,080
Outbuilding - £10,104
Install an RSJ - £2,304
Build a kitchen extension - £42,104
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