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Oakham Brickwork
Oakham Brickwork is an established extension buildering business in Birmingham. We come highly recommended and provide competitive quotes for your ...
"Build a kitchen extension" - B8, job posted 16/09/26
A&D Builders
Trusted and professional extension builder in Birmingham. Experienced in all extension buildering work and keeping within budget and on quote. A&D ...
"Build a kitchen extension" - B13, job posted 28/08/26
K Barrett Roofing LTD
Birmingham, B32
Experienced extension builder ready to quote for your work. K Barrett Roofing LTD is the best extension builder in Birmingham. No obligation free q...
"Loft conversion" - B68, job posted 06/05/26
Atwal Building Services Ltd
Need to find an Extension Builder near you for all your extension buildering work?
Atwal Building Services Ltd provides a local, trusted ex...
"RSJ installation" - BIRMINGHAM, job posted 13/04/26
MD Services
Birmingham, B44
Relax... you have found a reliable extension builder in Birmingham. MD Services is a friendly and reliable company based in Birmingham who consider...
"Garage conversion (separate from main house) into a bedroom" - B42, job posted 17/02/26
LC BUILDING SERVICES
Lloyd Clarke
Birmingham, B24
Need to find an Extension Builder near you for all your extension buildering work?
LC BUILDING SERVICES provides a local, trusted extension...
"Rear single storey extension 18sm kitchen & shower room with 2 beams" - B36, job posted 26/11/25
D&J Advanced Builders
Birmingham, B44
Need an Extension Builder in Birmingham? D&J Advanced Builders has been helping local clients (20 mile radius) with their extension buildering jobs...
"Two storey extension" - WEST MIDLANDS, job posted 05/10/25
Brickfast Builders
Birmingham, B6
Brickfast Builders is an established extension buildering business in Birmingham. We come highly recommended and provide competitive quotes for you...
"Concrete foundation" - B29, job posted 03/09/25
James Leonnard Builders
Need to find an Extension Builder near you for all your extension buildering work?
James Leonnard Builders provides a local, trusted extens...
"Two storey extension" - WEST MIDLANDS, job posted 03/08/25
ARGENT BUILDERS LTD
Trusted and professional extension builder in Birmingham. Experienced in all extension buildering work and keeping within budget and on quote. ARGE...
"Two storey extension" - B68, job posted 21/07/25
Amos Building Services Ltd
Trusted and professional extension builder in Birmingham. Experienced in all extension buildering work and keeping within budget and on quote. Amos...
"Two storey extension" - WEST MIDLANDS, job posted 08/06/25
Have Faith Plasterers
Have Faith Plasterers is an established and experienced local extension builder in Birmingham. Please contact us for a free, no obligation quote an...
"Rear extension to incorporate toilet and downstairs shower, utility area." - SHELDON, job posted 21/03/25
Dave Mattock
Birmingham, B44
Dave Mattock is an established and experienced local extension builder in Birmingham. Please contact us for a free, no obligation quote and competi...
"TV aerial install" - B11, job posted 05/03/25
Plowman & Wood
Experienced extension builder ready to quote for your work. Plowman & Wood is the best extension builder in Birmingham. No obligation free quotes a...
"Side return extension" - BIRMINGHAM, job posted 24/02/25
Tucker Construction
Relax... you have found a reliable extension builder in Birmingham. Tucker Construction is a friendly and reliable company based in Birmingham who ...
"Build an outbuilding" - B44, job posted 15/02/25
SM&S General Property Repairs
SM&S General Property Repairs is a trusted extension builder serving customers in Birmingham and the surrounding area. Contact us to today to get a...
"How much to install a shed or outbuilding in the back garden?" - B27, job posted 10/02/25
Wilson & Son
Wilson & Son is an established and experienced local extension builder in Birmingham. Please contact us for a free, no obligation quote and competi...
"Build an outbuilding" - B14, job posted 05/02/25
Michael Locke Garage Doors
Need to find an Extension Builder near you for all your extension buildering work?
Michael Locke Garage Doors provides a local, trusted ext...
"Loft conversion" - BIRMINGHAM, job posted 07/01/25
D & S Decorating & Building Services Ltd
Trusted and professional extension builder in Birmingham. Experienced in all extension buildering work and keeping within budget and on quote. D & ...
"RSJ installation" - BIRMINGHAM, job posted 03/01/25
Platinum Build
Relax... you have found a reliable extension builder in Birmingham. Platinum Build is a friendly and reliable company based in Birmingham who consi...
"Side return extension" - BIRMINGHAM, job posted 05/12/24
Compare Birmingham extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Birmingham | £28 | £228 |
| Extension Builders near Smethwick | £29 | £230 |
| Extension Builders near Oldbury | £29 | £229 |
| Extension Builders near West Bromwich | £29 | £228 |
| Extension Builders near Sutton Coldfield | £28 | £227 |
| Extension Builders near Sandwell | £29 | £231 |
| Extension Builders near Halesowen | £28 | £225 |
| Extension Builders near Rowley Regis | £29 | £228 |
| Extension Builders near Solihull | £29 | £231 |
| Extension Builders near Wednesbury | £29 | £230 |
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 - £25,832

Garden office - £9,832

Granny annexe - £86,832

Build a flat roof extension - £21,832

Convert a Garage - £15,832

Hip to gable loft conversion - £41,832

Convert a bungalow loft - £28,832

Build a dormer loft conversion - £41,832

Build a swimming pool - £80,832

Build a Mansard loft conversion - £51,832

Concrete foundations - £6,082

Underpin a building - £17,332

Two storey extension - £87,748

Convert a basement - £35,610

Side return extension - £39,610

Loft conversion - £32,175

Garage - £18,332

Single storey extension - £51,640

Outbuilding - £9,832

Install an RSJ - £2,032

Build a kitchen extension - £41,832
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