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Willbuild
Adam Williams
Need to find an Extension Builder near you for all your extension buildering work?
Willbuild provides a local, trusted extension buildering...
"Loft conversion" - BLOXWICH, job posted 04/11/26
Zygi&Bob Builders
Zygi&Bob Builders is an established extension buildering business in WS4. We come highly recommended and provide competitive quotes for your work.<...
"Install an RSJ. For bow window replacement" - WS5, job posted 15/09/26
Saxonworld Ltd
Steve Dean
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Single storey extension" - WS4, job posted 30/08/26
£28/hr
£219/day
C A MILLS BUILDING CONTR LTD
Carl Mills
Need an Extension Builder in WS4? C A MILLS BUILDING CONTR LTD has been helping local clients (20 mile radius) with their extension buildering jobs...
"Internal refurbishment works at The Mercian Trust, Great Barr, Walsall. The project includes constructing new partition walls to create a new classroom and office, together with associated plastering, decorating, flooring, ceilings, doors, fixtures, and mechanical and electrical service alterations...." - WS1, job posted 28/07/26
Compare WS4 extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Walsall | £29 | £229 |
| Extension Builders near Bloxwich | £28 | £225 |
| Extension Builders near Brownhills | £28 | £225 |
| Extension Builders near Darlaston | £29 | £229 |
| Extension Builders near Wednesbury | £29 | £230 |
| Extension Builders near Willenhall | £29 | £228 |
| Extension Builders near Sandwell | £29 | £231 |
| Extension Builders near Burntwood | £29 | £229 |
| Extension Builders near Bilston | £29 | £228 |
| Extension Builders near West Bromwich | £29 | £228 |
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 - £25,704
Garden office - £9,704
Granny annexe - £86,704
Build a flat roof extension - £21,704
Convert a Garage - £15,704
Hip to gable loft conversion - £41,704
Convert a bungalow loft - £28,704
Build a dormer loft conversion - £41,704
Build a swimming pool - £80,704
Build a Mansard loft conversion - £51,704
Concrete foundations - £5,954
Underpin a building - £17,204
Two storey extension - £87,556
Convert a basement - £34,170
Side return extension - £38,170
Loft conversion - £30,975
Garage - £18,204
Single storey extension - £49,080
Outbuilding - £9,704
Install an RSJ - £1,904
Build a kitchen extension - £41,704
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