From £17,492
Adrian Fowler Property Maintenance & General Building is a trusted extension builder serving customers in BA6 and the surrounding area. Contact us ...
From £17,452
Experienced extension builder ready to quote for your work. ABS Abbott Preservation is the best extension builder in BA6. No obligation free quotes...
From £17,684
Trusted and professional extension builder in BA6. Experienced in all extension buildering work and keeping within budget and on quote. MICHAEL PAR...
From £17,724
Trusted and professional extension builder in BA6. Experienced in all extension buildering work and keeping within budget and on quote. practise ha...
From £17,996
Experienced extension builder ready to quote for your work. Tim Stradling is the best extension builder in BA6. No obligation free quotes and many ...
From £17,428
Need an Extension Builder in BA6? Wattsfield Construction has been helping local clients (20 mile radius) with their extension buildering jobs for ...
From £17,356
Inspired Worx is a trusted extension builder serving customers in BA6 and the surrounding area. Contact us to today to get a competitive quote for ...
From £17,476
K STOBBS BUILDING CONTRACTOR is an established extension buildering business in BA6. We come highly recommended and provide competitive quotes for ...
From £17,628
Colin Clarke building:roofing has been successfully in business for 30 years. A vast amount of skills and knowledge has been gained and used to cre...

Underpinning ranges from £17,028 (C O JOYCE LIMITED based in BA16) to £17,996 (Tim Stradling based in TA10), 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 BA6 by posting a job with HaMuch and we will send it to extension builders in BA6.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near South Somerset | £62 | £270 |
| Underpin A Building near Bridgwater | £30 | £236 |
| Underpin A Building near Yeovil | £34 | £294 |
| Underpin A Building near Bath | £32 | £249 |
| Underpin A Building near North Somerset | £32 | £245 |
| Underpin A Building near Frome | £33 | £263 |
| Underpin A Building near Weston-super-Mare | £33 | £253 |
| Underpin A Building near Taunton | £31 | £242 |
| Underpin A Building near Keynsham | £33 | £251 |
| Underpin A Building near Clevedon | £32 | £243 |
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 - £17,526

Two storey extension - £88,040

Build a timber frame extension - £26,026

Build a swimming pool - £81,026

Single storey extension - £55,528

Side return extension - £41,797

Install an RSJ - £2,226

Outbuilding - £10,026

Build a Mansard loft conversion - £52,026

Loft conversion - £33,998

Build a kitchen extension - £42,026

Hip to gable loft conversion - £42,026

Granny annexe - £87,026

Garden office - £10,026

Convert a Garage - £16,026

Garage - £18,526

Build a flat roof extension - £22,026

Build a dormer loft conversion - £42,026

Concrete foundations - £6,276

Convert a bungalow loft - £29,026

Convert a basement - £37,797