From £17,292
T Porter Buiding is an established and experienced local extension builder in Long Ashton. Please contact us for a free, no obligation quote and co...
From £17,260
Sharif General Builder is an established and experienced local extension builder in Long Ashton. Please contact us for a free, no obligation quote ...
From £17,380
Looking for an Extension Builder near Long Ashton for all your extension buildering jobs?
Piotr Building & Decoration...
From £18,236
An experienced quality tradesman who is a member of the federation of master builders.
Any projects will be undertaken safely, professio...
From £17,652
MOBILE .... 07901 808 028 EMAIL .... angel201665@
From £17,372
New Haven Construction Group Ltd is an established extension buildering business in Long Ashton. We come highly recommended and provide competitive...
From £17,684
Need to find an Extension Builder near you for all your extension buildering work?
WILSONS BUILDERS CO LTD provides a local, trusted extens...
From £17,380
Relax... you have found a reliable extension builder in Long Ashton. A M I Construction is a friendly and reliable company based in Long Ashton who...
From £17,252
Concept Solutions Bristol Ltd is an established and experienced local extension builder in Long Ashton. Please contact us for a free, no obligation...
From £17,324
24 7 BUILDING SOLUTIONS LTD is a trusted extension builder serving customers in Long Ashton and the surrounding area. Contact us to today to get a ...

Underpinning ranges from £17,252 (Concept Solutions Bristol Ltd based in BS15) to £18,236 (WMP Builders based in TA9), 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 Long Ashton by posting a job with HaMuch and we will send it to extension builders in Long Ashton.
| 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 Portishead | £33 | £247 |
| Underpin A Building near North Somerset | £32 | £245 |
| Underpin A Building near Kingswood | £34 | £257 |
| Underpin A Building near Keynsham | £33 | £251 |
| Underpin A Building near Clevedon | £32 | £243 |
| Underpin A Building near Bradley Stoke | £34 | £259 |
| Underpin A Building near Bath | £32 | £249 |
| Underpin A Building near South Gloucestershire | £34 | £260 |
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 - £17,483

Two storey extension - £87,975

Build a timber frame extension - £25,983

Build a swimming pool - £80,983

Single storey extension - £54,664

Side return extension - £41,311

Install an RSJ - £2,183

Outbuilding - £9,983

Build a Mansard loft conversion - £51,983

Loft conversion - £33,593

Build a kitchen extension - £41,983

Hip to gable loft conversion - £41,983

Granny annexe - £86,983

Garden office - £9,983

Convert a Garage - £15,983

Garage - £18,483

Build a flat roof extension - £21,983

Build a dormer loft conversion - £41,983

Concrete foundations - £6,233

Convert a bungalow loft - £28,983

Convert a basement - £37,311