From £17,668
T&B Development are here to help customers who need an Extension Builder in Chippenham. We offer a competitive rate to complete all your extension ...
From £17,660
, SN14
L F Replacement Windows Ltd T/A LF Replacement Windows and Conservator is an established and experienced local extension builder in Chippenham. Ple...
From £17,356
Need to find an Extension Builder near you for all your extension buildering work?
Cole Brind Property Services provides a local, trusted e...
From £17,716
Corella is a trusted extension builder serving customers in Chippenham and the surrounding area. Contact us to today to get a competitive quote for...
From £17,300
Need an Extension Builder in Chippenham? PRO BUILD PROPERTIES LTD has been helping local clients (20 mile radius) with their extension buildering j...
From £17,612
Wiltshire Builders is a trusted extension builder serving customers in Chippenham and the surrounding area. Contact us to today to get a competitiv...
From £17,036
Chippenham, SN15
Need an Extension Builder in Chippenham? R PEARCE BUILDING has been helping local clients (20 mile radius) with their extension buildering jobs for...
From £17,364
Relax... you have found a reliable extension builder in Chippenham. A P BUILDING CONTRACTORS LTD is a friendly and reliable company based in Chippe...
From £17,684
BEANACRE BUILDERS LTD are here to help customers who need an Extension Builder in Chippenham. We offer a competitive rate to complete all your exte...
From £17,572
Relax... you have found a reliable extension builder in Chippenham. TJ PROFESSIONAL BUILDERS T/A is a friendly and reliable company based in Chippe...

Underpinning ranges from £17,036 (R PEARCE BUILDING based in SN15) to £17,716 (Corella based in SN15), 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 Chippenham by posting a job with HaMuch and we will send it to extension builders in Chippenham.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Chippenham | £34 | £258 |
| Underpin A Building near Calne | £29 | £225 |
| Underpin A Building near Yate | £34 | £263 |
| Underpin A Building near Trowbridge | £34 | £266 |
| Underpin A Building near West Wiltshire | £32 | £242 |
| Underpin A Building near North Wiltshire | £32 | £242 |
| Underpin A Building near South Gloucestershire | £34 | £260 |
| Underpin A Building near Devizes | £32 | £242 |
| Underpin A Building near Kingswood | £34 | £257 |
| 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 - £17,497

Two storey extension - £87,995

Build a timber frame extension - £25,997

Build a swimming pool - £80,997

Single storey extension - £54,936

Side return extension - £41,464

Install an RSJ - £2,197

Outbuilding - £9,997

Build a Mansard loft conversion - £51,997

Loft conversion - £33,720

Build a kitchen extension - £41,997

Hip to gable loft conversion - £41,997

Granny annexe - £86,997

Garden office - £9,997

Convert a Garage - £15,997

Garage - £18,497

Build a flat roof extension - £21,997

Build a dormer loft conversion - £41,997

Concrete foundations - £6,247

Convert a bungalow loft - £28,997

Convert a basement - £37,464