From £16,800
Member since December 2022
Please refer to for further information. My name is Gus Sperin. I am self-employed electrician, and I have been ...
From £15,944
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £15,832
Trusted and professional extension builder in B21. Experienced in all extension buildering work and keeping within budget and on quote. Staffordshi...
From £15,944
Need to find an Extension Builder near you for all your extension buildering work?
Avonvale Garage Doors provides a local, trusted extensio...
From £15,872
Welcome to WWM Property Solutions, where we specialize in creating exceptional outdoor and indoor spaces tailored to your unique lifestyle. As a le...
From £15,704
AJ Home Improvements is an established extension buildering business in B21. We come highly recommended and provide competitive quotes for your wor...
From £15,984
Need to find an Extension Builder near you for all your extension buildering work?
Atwal Building Services Ltd provides a local, trusted ex...
From £15,984
Brickfast Builders is an established extension buildering business in B21. We come highly recommended and provide competitive quotes for your work....
From £15,760
R.G Construction is an established and experienced local extension builder in B21. Please contact us for a free, no obligation quote and competitiv...
From £15,664
Experienced extension builder ready to quote for your work. S B Evans Bricklaying Contractor Ltd is the best extension builder in B21. No obligatio...

Garage conversions in B21 typically range from £15,664 (S B Evans Bricklaying Contractor Ltd based in WV12) to £16,800 (Sperin Services based in B66), but the only way to get an accurate cost for your specific project is to get quotes.
Post a job with HaMuch and we'll send it to extension builders in B21 who will be happy to help.
"Garage conversion (separate from main house) into a bedroom" - B42, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Garage near Smethwick | £29 | £226 |
| Convert A Garage near Birmingham | £29 | £227 |
| Convert A Garage near West Bromwich | £29 | £227 |
| Convert A Garage near Oldbury | £29 | £227 |
| Convert A Garage near Sandwell | £29 | £229 |
| Convert A Garage near Rowley Regis | £29 | £226 |
| Convert A Garage near Wednesbury | £29 | £227 |
| Convert A Garage near Tipton | £29 | £227 |
| Convert A Garage near Halesowen | £29 | £227 |
| Convert A Garage near Walsall | £29 | £226 |
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.

Underpin a building - £17,449

Two storey extension - £87,923

Build a timber frame extension - £25,949

Build a swimming pool - £80,949

Single storey extension - £53,976

Side return extension - £40,924

Install an RSJ - £2,149

Outbuilding - £9,949

Build a Mansard loft conversion - £51,949

Loft conversion - £33,270

Build a kitchen extension - £41,949

Hip to gable loft conversion - £41,949

Granny annexe - £86,949

Garden office - £9,949

Convert a Garage - £15,949

Garage - £18,449

Build a flat roof extension - £21,949

Build a dormer loft conversion - £41,949

Concrete foundations - £6,199

Convert a bungalow loft - £28,949

Convert a basement - £36,924