From £17,996
Experienced extension builder ready to quote for your work. Tim Stradling is the best extension builder in South Somerset. No obligation free quote...
From £17,356
Firestone Surfacing Ltd is a trusted extension builder serving customers in South Somerset and the surrounding area. Contact us to today to get a c...
From £17,452
Experienced extension builder ready to quote for your work. ABS Abbott Preservation is the best extension builder in South Somerset. No obligation ...
From £18,596
Need to find an Extension Builder near you for all your extension buildering work?
Neil Massey Roofing Contractor provides a local, trusted...
From £17,492
Adrian Fowler Property Maintenance & General Building is a trusted extension builder serving customers in South Somerset and the surrounding area. ...
From £17,628
STONEWALK CONSTRUCTION LTD is an established and experienced local extension builder in South Somerset. Please contact us for a free, no obligation...
From £17,572
Our building services company MDP Building Contractors has over 30 years of experience of helping customers in Yeovil and the surrounding area by p...
From £17,900
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,660
Need an Extension Builder in South Somerset? Morris Concrete Designs has been helping local clients (20 mile radius) with their extension builderin...

Underpinning ranges from £17,028 (C O JOYCE LIMITED based in BA16) to £18,596 (Neil Massey Roofing Contractor based in BA21), 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 South Somerset by posting a job with HaMuch and we will send it to extension builders in South Somerset.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near South Somerset | £62 | £270 |
| Underpin A Building near Yeovil | £34 | £294 |
| Underpin A Building near Bridgwater | £30 | £236 |
| Underpin A Building near Taunton | £31 | £242 |
| Underpin A Building near Frome | £33 | £263 |
| Underpin A Building near Bath | £32 | £249 |
| Underpin A Building near Dorchester | £30 | £230 |
| Underpin A Building near Weston-super-Mare | £33 | £253 |
| Underpin A Building near North Somerset | £32 | £245 |
| Underpin A Building near Keynsham | £33 | £251 |
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 - £17,668

Two storey extension - £88,252

Build a timber frame extension - £26,168

Build a swimming pool - £81,168

Single storey extension - £58,360

Side return extension - £43,390

Install an RSJ - £2,368

Outbuilding - £10,168

Build a Mansard loft conversion - £52,168

Loft conversion - £35,325

Build a kitchen extension - £42,168

Hip to gable loft conversion - £42,168

Granny annexe - £87,168

Garden office - £10,168

Convert a Garage - £16,168

Garage - £18,668

Build a flat roof extension - £22,168

Build a dormer loft conversion - £42,168

Concrete foundations - £6,418

Convert a bungalow loft - £29,168

Convert a basement - £39,390