From £17,820
Dovetail Ltd is a trusted extension builder serving customers in BS2 and the surrounding area. Contact us to today to get a competitive quote for e...
From £17,452
ESW Ltd are here to help customers who need an Extension Builder in BS2. We offer a competitive rate to complete all your extension buildering jobs...
From £17,596
Need to find an Extension Builder near you for all your extension buildering work?
Natural Design and Build provides a local, trusted exten...
From £17,820
Trusted and professional extension builder in BS2. Experienced in all extension buildering work and keeping within budget and on quote. OTF Facilit...
From £17,364
Nest Design & Build is a trusted extension builder serving customers in BS2 and the surrounding area. Contact us to today to get a competitive quot...
From £17,708
Need an Extension Builder in BS2? Oasys Property Solutions has been helping local clients (20 mile radius) with their extension buildering jobs for...
From £17,316
Hourglass Design & Build is an established extension buildering business in BS2. We come highly recommended and provide competitive quotes for your...
From £17,756
Symmetry Design And Build is a trusted extension builder serving customers in BS2 and the surrounding area. Contact us to today to get a competitiv...
From £17,316
Berkeley Place are here to help customers who need an Extension Builder in BS2. We offer a competitive rate to complete all your extension builderi...
From £17,436
Relax... you have found a reliable extension builder in BS2. Morrisons Building Services is a friendly and reliable company based in BS2 who consid...

Underpinning ranges from £17,316 (Hourglass Design & Build based in BS4) to £17,820 (Dovetail Ltd based in BS2), 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 BS2 by posting a job with HaMuch and we will send it to extension builders in BS2.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Bristol | £33 | £255 |
| Underpin A Building near Clifton | £33 | £255 |
| Underpin A Building near Kingswood | £34 | £257 |
| Underpin A Building near Keynsham | £33 | £251 |
| Underpin A Building near Bradley Stoke | £34 | £259 |
| Underpin A Building near South Gloucestershire | £34 | £260 |
| Underpin A Building near Portishead | £33 | £247 |
| Underpin A Building near Yate | £34 | £263 |
| Underpin A Building near North Somerset | £32 | £245 |
| Underpin A Building near Bath | £32 | £249 |
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 - £17,558

Two storey extension - £88,088

Build a timber frame extension - £26,058

Build a swimming pool - £81,058

Single storey extension - £56,168

Side return extension - £42,157

Install an RSJ - £2,258

Outbuilding - £10,058

Build a Mansard loft conversion - £52,058

Loft conversion - £34,298

Build a kitchen extension - £42,058

Hip to gable loft conversion - £42,058

Granny annexe - £87,058

Garden office - £10,058

Convert a Garage - £16,058

Garage - £18,558

Build a flat roof extension - £22,058

Build a dormer loft conversion - £42,058

Concrete foundations - £6,308

Convert a bungalow loft - £29,058

Convert a basement - £38,157