Bristol Building Co.Ltd is an established and experienced local extension builder in BS9. Please contact us for a free, no obligation quote and com...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Trusted and professional extension builder in BS9. Experienced in all extension buildering work and keeping within budget and on quote. KDS Buildin...
Need an Extension Builder in BS9? Mucha Construcion has been helping local clients (20 mile radius) with their extension buildering jobs for many y...
Relax... you have found a reliable extension builder in BS9. Bristol Brickworks is a friendly and reliable company based in BS9 who consider no job...
, BS11
A&L Building Services is an established and experienced local extension builder in BS9. Please contact us for a free, no obligation quote and compe...
B ROBINSON BUILDING is an established and experienced local extension builder in BS9. Please contact us for a free, no obligation quote and competi...
N J Laity & Son & Grandson's are here to help customers who need an Extension Builder in BS9. We offer a competitive rate to complete all your exte...
Relax... you have found a reliable extension builder in BS9. RD Pope Construction is a friendly and reliable company based in BS9 who consider no j...
Symmetry Design And Build is a trusted extension builder serving customers in BS9 and the surrounding area. Contact us to today to get a competitiv...

Underpinning ranges from £17,324 (Mucha Construcion based in BS10) to £17,796 (N J Laity & Son & Grandson's based in BS10), 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 BS9 by posting a job with HaMuch and we will send it to extension builders in BS9.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Clifton | £33 | £255 |
| Underpin A Building near Bristol | £33 | £255 |
| Underpin A Building near Bradley Stoke | £34 | £259 |
| Underpin A Building near Portishead | £33 | £247 |
| Underpin A Building near Kingswood | £34 | £257 |
| Underpin A Building near South Gloucestershire | £34 | £260 |
| Underpin A Building near Keynsham | £33 | £251 |
| Underpin A Building near North Somerset | £32 | £245 |
| Underpin A Building near Yate | £34 | £263 |
| 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 - £17,619

Two storey extension - £88,179

Build a timber frame extension - £26,119

Build a swimming pool - £81,119

Single storey extension - £57,384

Side return extension - £42,841

Install an RSJ - £2,319

Outbuilding - £10,119

Build a Mansard loft conversion - £52,119

Loft conversion - £34,868

Build a kitchen extension - £42,119

Hip to gable loft conversion - £42,119

Granny annexe - £87,119

Garden office - £10,119

Convert a Garage - £16,119

Garage - £18,619

Build a flat roof extension - £22,119

Build a dormer loft conversion - £42,119

Concrete foundations - £6,369

Convert a bungalow loft - £29,119

Convert a basement - £38,841