From £17,252
Experienced extension builder ready to quote for your work. Sas Building Solutions is the best extension builder in B75. No obligation free quotes ...
From £17,196
To whom it may concern where I small family business been in business for 36 years we carry out very good workmanship all our staff are prese...
From £18,092
Need an Extension Builder in B75? T FELTON BUILDERS LIMITED has been helping local clients (20 mile radius) with their extension buildering jobs fo...
From £17,252
Experienced extension builder ready to quote for your work. SELF BUILD is the best extension builder in B75. No obligation free quotes and many hap...
From £17,372
Need to find an Extension Builder near you for all your extension buildering work?
itsoktu Ltd provides a local, trusted extension builderi...
From £17,508
Founded in 2009 by educated interior and fashion tailor, Stuart Iain Greive, Itsoktu Ltd is a well-established and all-rounded design Company built...
From £17,156
Guild Building Solutions Ltd is a well established, reliable and trustworthy company with over 25 years' experience. We are based in Sutton Coldfie...
From £17,628
Relax... you have found a reliable extension builder in B75. Sanwood is a friendly and reliable company based in B75 who consider no job as too big...
From £17,268
Need to find an Extension Builder near you for all your extension buildering work?
James Leonnard Builders provides a local, trusted extens...
From £17,068
Dave Mattock is an established and experienced local extension builder in B75. Please contact us for a free, no obligation quote and competitive ra...

Underpinning ranges from £17,068 (Dave Mattock based in B44) to £18,092 (T FELTON BUILDERS LIMITED based in B75), 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 B75 by posting a job with HaMuch and we will send it to extension builders in B75.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Sutton Coldfield | £25 | £202 |
| Underpin A Building near Tamworth | £28 | £241 |
| Underpin A Building near Brownhills | £25 | £193 |
| Underpin A Building near Birmingham | £25 | £197 |
| Underpin A Building near Walsall | £25 | £195 |
| Underpin A Building near Lichfield | £25 | £198 |
| Underpin A Building near Burntwood | £25 | £197 |
| Underpin A Building near Bloxwich | £25 | £195 |
| Underpin A Building near Smethwick | £25 | £195 |
| Underpin A Building near Sandwell | £25 | £196 |
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 - £17,379

Two storey extension - £87,819

Build a timber frame extension - £25,879

Build a swimming pool - £80,879

Single storey extension - £52,584

Side return extension - £40,141

Install an RSJ - £2,079

Outbuilding - £9,879

Build a Mansard loft conversion - £51,879

Loft conversion - £32,618

Build a kitchen extension - £41,879

Hip to gable loft conversion - £41,879

Granny annexe - £86,879

Garden office - £9,879

Convert a Garage - £15,879

Garage - £18,379

Build a flat roof extension - £21,879

Build a dormer loft conversion - £41,879

Concrete foundations - £6,129

Convert a bungalow loft - £28,879

Convert a basement - £36,141