From £17,260
R.G Construction is an established and experienced local extension builder in WS11. Please contact us for a free, no obligation quote and competiti...
From £17,164
Experienced extension builder ready to quote for your work. S B Evans Bricklaying Contractor Ltd is the best extension builder in WS11. No obligati...
From £17,204
Prompt .tidy .exspearianced.quality of work
From £17,340
Need to find an Extension Builder near you for all your extension buildering work?
Willbuild provides a local, trusted extension buildering...
From £17,484
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,436
Zygi&Bob Builders is an established extension buildering business in WS11. We come highly recommended and provide competitive quotes for your work....
From £17,372
Welcome to WWM Property Solutions, where we specialize in creating exceptional outdoor and indoor spaces tailored to your unique lifestyle. As a le...
From £18,300
Member since December 2022
Hi, My name is Gus Sperin. I am self-employed electrician, and I have been running my business since 2010. I have been in the electrical ...
From £17,068
Trusted and professional extension builder in WS11. Experienced in all extension buildering work and keeping within budget and on quote. Bhogal Con...
From £17,204
AJ Home Improvements is an established extension buildering business in WS11. We come highly recommended and provide competitive quotes for your wo...

Underpinning ranges from £17,068 (Bhogal Construction based in B67) to £18,300 (Sperin Interiors based in B66), 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 WS11 by posting a job with HaMuch and we will send it to extension builders in WS11.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Cannock | £28 | £227 |
| Underpin A Building near Burntwood | £29 | £229 |
| Underpin A Building near Brownhills | £29 | £225 |
| Underpin A Building near Bloxwich | £28 | £226 |
| Underpin A Building near Rugeley | £30 | £230 |
| Underpin A Building near Walsall | £29 | £226 |
| Underpin A Building near Willenhall | £29 | £225 |
| Underpin A Building near Darlaston | £29 | £226 |
| Underpin A Building near Lichfield | £29 | £226 |
| Underpin A Building near Wolverhampton | £28 | £222 |
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 - £17,383

Two storey extension - £87,825

Build a timber frame extension - £25,883

Build a swimming pool - £80,883

Single storey extension - £52,664

Side return extension - £40,186

Install an RSJ - £2,083

Outbuilding - £9,883

Build a Mansard loft conversion - £51,883

Loft conversion - £32,655

Build a kitchen extension - £41,883

Hip to gable loft conversion - £41,883

Granny annexe - £86,883

Garden office - £9,883

Convert a Garage - £15,883

Garage - £18,383

Build a flat roof extension - £21,883

Build a dormer loft conversion - £41,883

Concrete foundations - £6,133

Convert a bungalow loft - £28,883

Convert a basement - £36,186