From £17,444
Need to find an Extension Builder near you for all your extension buildering work?
Avonvale Garage Doors provides a local, trusted extensio...
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 £17,204
AJ Home Improvements is an established extension buildering business in B21. We come highly recommended and provide competitive quotes for your wor...
From £17,484
Need to find an Extension Builder near you for all your extension buildering work?
Atwal Building Services Ltd provides a local, trusted ex...
From £17,484
Brickfast Builders is an established extension buildering business in B21. We come highly recommended and provide competitive quotes for your work....
From £17,444
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,260
R.G Construction is an established and experienced local extension builder in B21. Please contact us for a free, no obligation quote and competitiv...
From £17,164
Experienced extension builder ready to quote for your work. S B Evans Bricklaying Contractor Ltd is the best extension builder in B21. No obligatio...
From £17,204
Prompt .tidy .exspearianced.quality of work

Underpinning ranges from £17,164 (S B Evans Bricklaying Contractor Ltd based in WV12) 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 B21 by posting a job with HaMuch and we will send it to extension builders in B21.
"Underpinning" - WEST BROMWICH, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Smethwick | £29 | £226 |
| Underpin A Building near Birmingham | £29 | £227 |
| Underpin A Building near West Bromwich | £29 | £227 |
| Underpin A Building near Oldbury | £29 | £227 |
| Underpin A Building near Sandwell | £29 | £229 |
| Underpin A Building near Rowley Regis | £29 | £226 |
| Underpin A Building near Wednesbury | £29 | £227 |
| Underpin A Building near Tipton | £29 | £227 |
| Underpin A Building near Halesowen | £29 | £227 |
| Underpin A Building near Walsall | £29 | £226 |
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 - £17,436

Two storey extension - £87,904

Build a timber frame extension - £25,936

Build a swimming pool - £80,936

Single storey extension - £53,720

Side return extension - £40,780

Install an RSJ - £2,136

Outbuilding - £9,936

Build a Mansard loft conversion - £51,936

Loft conversion - £33,150

Build a kitchen extension - £41,936

Hip to gable loft conversion - £41,936

Granny annexe - £86,936

Garden office - £9,936

Convert a Garage - £15,936

Garage - £18,436

Build a flat roof extension - £21,936

Build a dormer loft conversion - £41,936

Concrete foundations - £6,186

Convert a bungalow loft - £28,936

Convert a basement - £36,780