From £9,704
AJ Home Improvements is an established extension buildering business in B8. We come highly recommended and provide competitive quotes for your work...
From £9,704
Trusted and professional extension builder in B8. Experienced in all extension buildering work and keeping within budget and on quote. Probuild360 ...
From £9,864
Need to find an Extension Builder near you for all your extension buildering work?
LC BUILDING SERVICES provides a local, trusted extension...
From £9,920
Experienced extension builder ready to quote for your work. x10hosts is the best extension builder in B8. No obligation free quotes and many happy ...
From £9,824
Reliable person 25 years experience
if you look on a website rated people and have a look at my ratings
From £9,984
Brickfast Builders is an established extension buildering business in B8. We come highly recommended and provide competitive quotes for your work.<...
From £9,696
Laurence Cox is an established and experienced local extension builder in B8. Please contact us for a free, no obligation quote and competitive rat...
From £9,984
Need to find an Extension Builder near you for all your extension buildering work?
Dayfos Properties Ltd provides a local, trusted extensio...
From £9,984
Fletcher's Building & Maintenance are a family owned business that understands, in order to achieve our continued success our customers and the...
From £9,640
Renka is an established and experienced local extension builder in B8. Please contact us for a free, no obligation quote and competitive rates. Cov...

Outbuilding costs in B8 range from the cheapest of £9,640 (Renka based in B19) to the dearest of £9,984 (Brickfast Builders based in B6), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in B8 by posting a job with HaMuch and we will send it to extension builders.
"Build an outbuilding" - B44, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Birmingham | £29 | £227 |
| Outbuilding near Sutton Coldfield | £29 | £228 |
| Outbuilding near Smethwick | £29 | £226 |
| Outbuilding near Solihull | £29 | £231 |
| Outbuilding near Oldbury | £29 | £227 |
| Outbuilding near West Bromwich | £29 | £227 |
| Outbuilding near Sandwell | £29 | £229 |
| Outbuilding near Halesowen | £29 | £227 |
| Outbuilding near Rowley Regis | £29 | £226 |
| Outbuilding near Knowle | £31 | £241 |
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 - £17,330

Two storey extension - £87,746

Build a timber frame extension - £25,830

Build a swimming pool - £80,830

Single storey extension - £51,608

Side return extension - £39,592

Install an RSJ - £2,030

Outbuilding - £9,830

Build a Mansard loft conversion - £51,830

Loft conversion - £32,160

Build a kitchen extension - £41,830

Hip to gable loft conversion - £41,830

Granny annexe - £86,830

Garden office - £9,830

Convert a Garage - £15,830

Garage - £18,330

Build a flat roof extension - £21,830

Build a dormer loft conversion - £41,830

Concrete foundations - £6,080

Convert a bungalow loft - £28,830

Convert a basement - £35,592