From £17,364
Need to find an Extension Builder near you for all your extension buildering work?
LC BUILDING SERVICES provides a local, trusted extension...
From £17,204
AJ Home Improvements is an established extension buildering business in B24. We come highly recommended and provide competitive quotes for your wor...
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 £17,212
Add Surveyors is a trusted extension builder serving customers in B24 and the surrounding area. Contact us to today to get a competitive quote for ...
From £17,484
Brickfast Builders is an established extension buildering business in B24. We come highly recommended and provide competitive quotes for your work....
From £17,188
Trusted and professional extension builder in B24. Experienced in all extension buildering work and keeping within budget and on quote. Castlehall ...
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 £17,084
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
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...

Underpinning ranges from £17,084 (Parkfield Building Services Ltd based in B6) to £17,508 (Itsoktu Limited based in B72), 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 B24 by posting a job with HaMuch and we will send it to extension builders in B24.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Sutton Coldfield | £25 | £202 |
| Underpin A Building near Birmingham | £25 | £197 |
| Underpin A Building near Smethwick | £25 | £195 |
| Underpin A Building near West Bromwich | £25 | £195 |
| Underpin A Building near Solihull | £24 | £194 |
| Underpin A Building near Oldbury | £25 | £196 |
| Underpin A Building near Sandwell | £25 | £196 |
| Underpin A Building near Walsall | £25 | £195 |
| Underpin A Building near Wednesbury | £25 | £194 |
| Underpin A Building near Rowley Regis | £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 - £17,284

Two storey extension - £87,676

Build a timber frame extension - £25,784

Build a swimming pool - £80,784

Single storey extension - £50,680

Side return extension - £39,070

Install an RSJ - £1,984

Outbuilding - £9,784

Build a Mansard loft conversion - £51,784

Loft conversion - £31,725

Build a kitchen extension - £41,784

Hip to gable loft conversion - £41,784

Granny annexe - £86,784

Garden office - £9,784

Convert a Garage - £15,784

Garage - £18,284

Build a flat roof extension - £21,784

Build a dormer loft conversion - £41,784

Concrete foundations - £6,034

Convert a bungalow loft - £28,784

Convert a basement - £35,070