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RODOF Ltd
Relax... you have found a reliable extension builder in UB8. RODOF Ltd is a friendly and reliable company based in UB8 who consider no job as too b...
"Flat roof extension" - WEST DRAYTON, job posted 23/11/25
GMB BUILDING SERVICES
GMB BUILDING SERVICES is an established and experienced local extension builder in UB8. Please contact us for a free, no obligation quote and compe...
Sheppard Construction Ltd
Sheppard Construction Ltd is a trusted extension builder serving customers in UB8 and the surrounding area. Contact us to today to get a competitiv...
La Vaastu
La Vaastu An expert eye for design!My little practice is based in West London and I’ve been practicing for about six years. The types of archite...
Sokhi Construction (UK) Ltd
Sokhi Construction (UK) Ltd is a trusted extension builder serving customers in UB8 and the surrounding area. Contact us to today to get a competit...
R&P Solution LTD
Need to find an Extension Builder near you for all your extension buildering work?
R&P Solution LTD provides a local, trusted extension bui...
CC Builders UK Development
At CC Builders UK Development, we offer solutions for all aspects of construction for both domestic and commercial clients throughout London and th...
GS Design & Developments Ltd
GS Design & Developments Ltd is a well established, trustworthy, reliable and professional company covering the whole of West London, North London,...
CRYSTAL OAK CONSTRUCTION
New build house, extension, loft conversion, refurbishment, wast London, high wycombe, Slough, Amersham,
SS CONSTRUCTION
Uxbridge, UB8
SS CONSTRUCTION is an established extension buildering business in UB8. We come highly recommended and provide competitive quotes for your work.
G S Builders
G S Builders are here to help customers who need an Extension Builder in UB8. We offer a competitive rate to complete all your extension buildering...
£44/hr
£277/day
MEAD BUILDING SERVICES LTD
Uxbridge, UB8
Need an Extension Builder in UB8? MEAD BUILDING SERVICES LTD has been helping local clients (10 mile radius) with their extension buildering jobs f...
£38/hr
£244/day
Inspired Design & Build
Trusted and professional extension builder in UB8. Experienced in all extension buildering work and keeping within budget and on quote. Inspired De...
£49/hr
£305/day
PB Viking Construction Ltd
Greater London, UB8
We specialize in residential and commercial developments , delivering a highly personalized and professional customer focused service.We have skil...
£48/hr
£302/day
CC Builders UK & Development Ltd
Trusted and professional extension builder in UB8. Experienced in all extension buildering work and keeping within budget and on quote. CC Builders...
£38/hr
£244/day
Peter Cox Ltd - Uxbridge
Sal, UB8
Need an Extension Builder in UB8? Peter Cox Ltd - Uxbridge has been helping local clients (10 mile radius) with their extension buildering jobs for...
£49/hr
£305/day
Island Exhibitions Residential Interiors
Led by Interior Designer, Carly O'Driscoll-Dommett, Island Exhibitions Residential Interiors provide beautiful & exceptional interiors, to make the...
£41/hr
£254/day
Stella Roland Property
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£47/hr
£293/day
Galacticon
Need an Extension Builder in UB8? Galacticon has been helping local clients (10 mile radius) with their extension buildering jobs for many years. G...
Quickly find an Extension Builder in UB8
Use these steps to find Extension Builders in UB8 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in UB8. 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 UB8 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 - £26,224

Garden office - £10,224

Granny annexe - £87,224

Build a flat roof extension - £22,224

Convert a Garage - £16,224

Hip to gable loft conversion - £42,224

Convert a bungalow loft - £29,224

Build a dormer loft conversion - £42,224

Build a swimming pool - £81,224

Build a Mansard loft conversion - £52,224

Concrete foundations - £6,474

Underpin a building - £17,724

Two storey extension - £88,336

Convert a basement - £40,020

Side return extension - £44,020

Loft conversion - £35,850

Garage - £18,724

Single storey extension - £59,480

Outbuilding - £10,224

Install an RSJ - £2,424

Build a kitchen extension - £42,224
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