From £17,436
Need an Extension Builder in BS30? Just Plastered has been helping local clients (20 mile radius) with their extension buildering jobs for many yea...
From £17,260
Relax... you have found a reliable extension builder in BS30. ASHWIN CONSTRUCTION is a friendly and reliable company based in BS30 who consider no ...
From £17,404
HOLBROOK CONSTRUCTION are here to help customers who need an Extension Builder in BS30. We offer a competitive rate to complete all your extension ...
From £17,660
S JOYCE BUILDING are here to help customers who need an Extension Builder in BS30. We offer a competitive rate to complete all your extension build...
From £17,460
M K J Construction Ltd are here to help customers who need an Extension Builder in BS30. We offer a competitive rate to complete all your extension...
From £17,252
Concept Solutions Bristol Ltd is an established and experienced local extension builder in BS30. Please contact us for a free, no obligation quote ...
From £17,652
J GREEN PLASTERING LTD are here to help customers who need an Extension Builder in BS30. We offer a competitive rate to complete all your extension...
From £17,300
Need an Extension Builder in BS30? Integrate Design and Build has been helping local clients (20 mile radius) with their extension buildering jobs ...
From £17,372
Relax... you have found a reliable extension builder in BS30. Uks is a friendly and reliable company based in BS30 who consider no job as too big o...
From £17,324
24 7 BUILDING SOLUTIONS LTD is a trusted extension builder serving customers in BS30 and the surrounding area. Contact us to today to get a competi...

Underpinning ranges from £17,252 (Concept Solutions Bristol Ltd based in BS15) to £17,660 (S JOYCE BUILDING based in BS15), 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 BS30 by posting a job with HaMuch and we will send it to extension builders in BS30.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Kingswood | £34 | £257 |
| Underpin A Building near Keynsham | £33 | £251 |
| Underpin A Building near Bristol | £33 | £255 |
| Underpin A Building near South Gloucestershire | £34 | £260 |
| Underpin A Building near Clifton | £33 | £255 |
| Underpin A Building near Yate | £34 | £263 |
| Underpin A Building near Bradley Stoke | £34 | £259 |
| Underpin A Building near Bath | £32 | £249 |
| Underpin A Building near Chippenham | £34 | £258 |
| Underpin A Building near Portishead | £33 | £247 |
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 - £17,412

Two storey extension - £87,868

Build a timber frame extension - £25,912

Build a swimming pool - £80,912

Single storey extension - £53,240

Side return extension - £40,510

Install an RSJ - £2,112

Outbuilding - £9,912

Build a Mansard loft conversion - £51,912

Loft conversion - £32,925

Build a kitchen extension - £41,912

Hip to gable loft conversion - £41,912

Granny annexe - £86,912

Garden office - £9,912

Convert a Garage - £15,912

Garage - £18,412

Build a flat roof extension - £21,912

Build a dormer loft conversion - £41,912

Concrete foundations - £6,162

Convert a bungalow loft - £28,912

Convert a basement - £36,510