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 £17,628
Relax... you have found a reliable extension builder in B74. Sanwood is a friendly and reliable company based in B74 who consider no job as too big...
From £17,252
Experienced extension builder ready to quote for your work. Sas Building Solutions is the best extension builder in B74. No obligation free quotes ...
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 £18,092
Need an Extension Builder in B74? T FELTON BUILDERS LIMITED has been helping local clients (20 mile radius) with their extension buildering jobs fo...
From £17,068
Dave Mattock is an established and experienced local extension builder in B74. Please contact us for a free, no obligation quote and competitive ra...
From £17,444
Need an Extension Builder in B74? D&J Advanced Builders has been helping local clients (20 mile radius) with their extension buildering jobs for ma...
From £17,252
Experienced extension builder ready to quote for your work. SELF BUILD is the best extension builder in B74. No obligation free quotes and many hap...
From £16,796
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £16,796 (Saxonworld Ltd based in WS9) 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 B74 by posting a job with HaMuch and we will send it to extension builders in B74.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Sutton Coldfield | £25 | £202 |
| Underpin A Building near Walsall | £25 | £195 |
| Underpin A Building near Brownhills | £25 | £193 |
| Underpin A Building near Bloxwich | £25 | £195 |
| Underpin A Building near Birmingham | £25 | £197 |
| Underpin A Building near Wednesbury | £25 | £194 |
| Underpin A Building near Burntwood | £25 | £197 |
| Underpin A Building near Sandwell | £25 | £196 |
| Underpin A Building near West Bromwich | £25 | £195 |
| Underpin A Building near Darlaston | £25 | £194 |
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 - £17,361

Two storey extension - £87,791

Build a timber frame extension - £25,861

Build a swimming pool - £80,861

Single storey extension - £52,216

Side return extension - £39,934

Install an RSJ - £2,061

Outbuilding - £9,861

Build a Mansard loft conversion - £51,861

Loft conversion - £32,445

Build a kitchen extension - £41,861

Hip to gable loft conversion - £41,861

Granny annexe - £86,861

Garden office - £9,861

Convert a Garage - £15,861

Garage - £18,361

Build a flat roof extension - £21,861

Build a dormer loft conversion - £41,861

Concrete foundations - £6,111

Convert a bungalow loft - £28,861

Convert a basement - £35,934