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Vital Builders
Vital Builders are here to help customers who need an Extension Builder in Greenford. We offer a competitive rate to complete all your extension bu...
"Kitchen extension" - UB6, job posted 15/05/26
J K GENERAL BUILDING LTD
Need to find an Extension Builder near you for all your extension buildering work?
J K GENERAL BUILDING LTD provides a local, trusted exten...
"I am seeking an estimate for a loft conversion. This should include structural design. Hip to gable dormer, with a toilet and sink." - UB5, job posted 01/04/26
MJ Builders (London) Ltd
Hardeep Samra
MJ Builders (London) Ltd are here to help customers who need an Extension Builder in Greenford. We offer a competitive rate to complete all your ex...
"Garage" - PERIVALE, job posted 14/01/26
Mamma V's Caribbean and English Cuisine
UK Food
Need to find an Extension Builder near you for all your extension buildering work?
Mamma V's Caribbean and English Cuisine provides a local...
"Underpinning for first floor extension" - UB6, job posted 13/12/24
DIAL 1ST CONSTRUCTION LTD
Experienced extension builder ready to quote for your work. DIAL 1ST CONSTRUCTION LTD is the best extension builder in Greenford. No obligation fre...
"Single storey extension 20sqm" - UB6, job posted 09/11/24
S.K Singh
Need an Extension Builder in Greenford? S.K Singh has been helping local clients (10 mile radius) with their extension buildering jobs for many yea...
"Outbuilding" - HANWELL, job posted 03/06/24
House Builders London
Need an Extension Builder in Greenford? House Builders London has been helping local clients (10 mile radius) with their extension buildering jobs ...
London Wide Property Refurbishment
Greenford Perivale, UB6
Trusted and professional extension builder in Greenford. Experienced in all extension buildering work and keeping within budget and on quote. Londo...
ART DESIGN INTERIORS UK LTD
Experienced extension builder ready to quote for your work. ART DESIGN INTERIORS UK LTD is the best extension builder in Greenford. No obligation f...
Caro Construction Ltd
Greenford Greater London, UB6
Caro Construction Ltd is an established and experienced local extension builder in Greenford. Please contact us for a free, no obligation quote and...
MJO CONSTRUCTION LIMITED
MJO CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in Greenford. We offer a competitive rate to complete all your ex...
Platinum Pearl Construction Ltd
Greenford, UB6
Platinum Pearl Construction Ltd originated as a small general building services company over 10 years ago and have now grown into the multi-faceted...
Splendid Design
We are a team of professionals who specialise in: Kitchen Installation Kitchen and Bathroom refurbishment Bespoke furniture for: Kitchen Livi...
PRIME BUILDERS
Greenford, UB6
Trusted and professional extension builder in Greenford. Experienced in all extension buildering work and keeping within budget and on quote. PRIME...
Artifex Construction Limited
Artifex Construction Limited is a trusted extension builder serving customers in Greenford and the surrounding area. Contact us to today to get a c...
BAL CONSTRUCTION
Greenford, UB6
Trusted and professional extension builder in Greenford. Experienced in all extension buildering work and keeping within budget and on quote. BAL C...
G M CONSTRUCTION
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£38/hr
£244/day
HWB Construction Ltd
Need to find an Extension Builder near you for all your extension buildering work?
HWB Construction Ltd provides a local, trusted extension...
£49/hr
£304/day
Mayfair Design and Build Ltd
With a wealth of experience, Mayfair Design & Build Limited can turn your dreams into reality. We are a family run organisation that specialises i...
£40/hr
£253/day
A1 Refurbishment Works Ltd
A1 Refurbishment Works Ltd is an established and experienced local extension builder in Greenford. Please contact us for a free, no obligation quot...
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- Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local Greenford 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 - £26,128

Garden office - £10,128

Granny annexe - £87,128

Build a flat roof extension - £22,128

Convert a Garage - £16,128

Hip to gable loft conversion - £42,128

Convert a bungalow loft - £29,128

Build a dormer loft conversion - £42,128

Build a swimming pool - £81,128

Build a Mansard loft conversion - £52,128

Concrete foundations - £6,378

Underpin a building - £17,628

Two storey extension - £88,192

Convert a basement - £38,940

Side return extension - £42,940

Loft conversion - £34,950

Garage - £18,628

Single storey extension - £57,560

Outbuilding - £10,128

Install an RSJ - £2,328

Build a kitchen extension - £42,128
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