From £17,420
Experienced extension builder ready to quote for your work. x10hosts is the best extension builder in Small Heath. No obligation free quotes and ma...
From £17,484
Need to find an Extension Builder near you for all your extension buildering work?
Dayfos Properties Ltd provides a local, trusted extensio...
From £17,484
Fletcher's Building & Maintenance are a family owned business that understands, in order to achieve our continued success our customers and the...
From £17,196
Laurence Cox is an established and experienced local extension builder in Small Heath. Please contact us for a free, no obligation quote and compet...
From £17,204
Trusted and professional extension builder in Small Heath. Experienced in all extension buildering work and keeping within budget and on quote. Pro...
From £17,484
Trusted and professional extension builder in Small Heath. Experienced in all extension buildering work and keeping within budget and on quote. 2nd...
From £17,372
Relax... you have found a reliable extension builder in Small Heath. BORDO Design is a friendly and reliable company based in Small Heath who consi...
From £17,204
Experienced extension builder ready to quote for your work. Spectrum Homes is the best extension builder in Small Heath. No obligation free quotes ...
From £17,140
Renka is an established and experienced local extension builder in Small Heath. Please contact us for a free, no obligation quote and competitive r...
From £17,196
Need an Extension Builder in Small Heath? BellTrim Wood Products has been helping local clients (20 mile radius) with their extension buildering jo...

Underpinning ranges from £17,140 (Renka based in B19) to £17,484 (Dayfos Properties Ltd based in B11), but the final cost will depend on the method of underpinning used, how much of your foundations need underpinning and where you live.
Comparing extension builders estimates for underpinning gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get quotes to underpin your home in Small Heath by posting a job with HaMuch and we will send it to extension builders in Small Heath.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Birmingham | £29 | £227 |
| Underpin A Building near Smethwick | £29 | £226 |
| Underpin A Building near Solihull | £29 | £231 |
| Underpin A Building near Sutton Coldfield | £29 | £228 |
| Underpin A Building near Oldbury | £29 | £227 |
| Underpin A Building near West Bromwich | £29 | £227 |
| Underpin A Building near Knowle | £31 | £241 |
| Underpin A Building near Halesowen | £29 | £227 |
| Underpin A Building near Rowley Regis | £29 | £226 |
| Underpin A Building near Sandwell | £29 | £229 |
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 - £17,318

Two storey extension - £87,728

Build a timber frame extension - £25,818

Build a swimming pool - £80,818

Single storey extension - £51,368

Side return extension - £39,457

Install an RSJ - £2,018

Outbuilding - £9,818

Build a Mansard loft conversion - £51,818

Loft conversion - £32,048

Build a kitchen extension - £41,818

Hip to gable loft conversion - £41,818

Granny annexe - £86,818

Garden office - £9,818

Convert a Garage - £15,818

Garage - £18,318

Build a flat roof extension - £21,818

Build a dormer loft conversion - £41,818

Concrete foundations - £6,068

Convert a bungalow loft - £28,818

Convert a basement - £35,457