DSA CONSTRUCTION is an established extension buildering business in Devizes. We come highly recommended and provide competitive quotes for your wor...
Relax... you have found a reliable extension builder in Devizes. A P BUILDING CONTRACTORS LTD is a friendly and reliable company based in Devizes w...
Devizes, SN10
Relax... you have found a reliable extension builder in Devizes. Lee Jackson Roofing Ltd is a friendly and reliable company based in Devizes who co...
From £17,372
MAKEPEACE BUILDING LTD is an established and experienced local extension builder in Devizes. Please contact us for a free, no obligation quote and ...
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...
From £17,652
Devizes, SN10
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,596
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,572
Relax... you have found a reliable extension builder in Devizes. TJ PROFESSIONAL BUILDERS T/A is a friendly and reliable company based in Devizes w...
From £17,364
Turnkey Building and Project Management founded on 20 years experience in high end construction and development.

Underpinning ranges from £17,252 (Lee Jackson Roofing Ltd based in SN10) to £17,652 (Ayelle Construction Ltd based in SN10), 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 Devizes by posting a job with HaMuch and we will send it to extension builders in Devizes.
"Underpinning" - WEST WILTSHIRE, job posted 09/12/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Devizes | £32 | £242 |
| Underpin A Building near North Wiltshire | £32 | £242 |
| Underpin A Building near West Wiltshire | £32 | £242 |
| Underpin A Building near Calne | £29 | £225 |
| Underpin A Building near Trowbridge | £34 | £266 |
| Underpin A Building near Chippenham | £34 | £258 |
| Underpin A Building near Frome | £33 | £263 |
| Underpin A Building near Swindon | £31 | £238 |
| Underpin A Building near Thamesdown | £31 | £239 |
| Underpin A Building near Stratton St Margaret | £32 | £238 |
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 - £17,458

Two storey extension - £87,937

Build a timber frame extension - £25,958

Build a swimming pool - £80,958

Single storey extension - £54,164

Side return extension - £41,030

Install an RSJ - £2,158

Outbuilding - £9,958

Build a Mansard loft conversion - £51,958

Loft conversion - £33,358

Build a kitchen extension - £41,958

Hip to gable loft conversion - £41,958

Granny annexe - £86,958

Garden office - £9,958

Convert a Garage - £15,958

Garage - £18,458

Build a flat roof extension - £21,958

Build a dormer loft conversion - £41,958

Concrete foundations - £6,208

Convert a bungalow loft - £28,958

Convert a basement - £37,030