From £17,556
DSA CONSTRUCTION is an established extension buildering business in Calne. We come highly recommended and provide competitive quotes for your work....
From £17,364
Calne, SN11
Turnkey Building and Project Management founded on 20 years experience in high end construction and development.
From £17,372
Calne, SN11
MAKEPEACE BUILDING LTD is an established and experienced local extension builder in Calne. Please contact us for a free, no obligation quote and co...
From £17,364
Calne, SN11
Relax... you have found a reliable extension builder in Calne. A P BUILDING CONTRACTORS LTD is a friendly and reliable company based in Calne who c...
From £17,612
Wiltshire Builders is a trusted extension builder serving customers in Calne and the surrounding area. Contact us to today to get a competitive quo...
From £17,300
Need an Extension Builder in Calne? PRO BUILD PROPERTIES LTD has been helping local clients (20 mile radius) with their extension buildering jobs f...
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 Calne and the surrounding area. Contact us to today to get a competitive quote for exte...
From £17,252
Relax... you have found a reliable extension builder in Calne. Lee Jackson Roofing Ltd is a friendly and reliable company based in Calne who consid...
From £17,396
Our building services company TG Roofing and Construction was established over 10 years ago and have been helping customers throughout Wiltshire by...

Underpinning ranges from £17,252 (Lee Jackson Roofing Ltd based in SN10) 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 Calne by posting a job with HaMuch and we will send it to extension builders in Calne.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Calne | £29 | £225 |
| Underpin A Building near West Wiltshire | £32 | £242 |
| Underpin A Building near North Wiltshire | £32 | £242 |
| Underpin A Building near Devizes | £32 | £242 |
| Underpin A Building near Chippenham | £34 | £258 |
| Underpin A Building near Trowbridge | £34 | £266 |
| Underpin A Building near Swindon | £38 | £238 |
| Underpin A Building near Thamesdown | £38 | £239 |
| Underpin A Building near Stratton St Margaret | £37 | £238 |
| Underpin A Building near Yate | £34 | £263 |
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 - £17,429

Two storey extension - £87,893

Build a timber frame extension - £25,929

Build a swimming pool - £80,929

Single storey extension - £53,576

Side return extension - £40,699

Install an RSJ - £2,129

Outbuilding - £9,929

Build a Mansard loft conversion - £51,929

Loft conversion - £33,083

Build a kitchen extension - £41,929

Hip to gable loft conversion - £41,929

Granny annexe - £86,929

Garden office - £9,929

Convert a Garage - £15,929

Garage - £18,429

Build a flat roof extension - £21,929

Build a dormer loft conversion - £41,929

Concrete foundations - £6,179

Convert a bungalow loft - £28,929

Convert a basement - £36,699