From £17,572
Melksham, SN12
Relax... you have found a reliable extension builder in Melksham. TJ PROFESSIONAL BUILDERS T/A is a friendly and reliable company based in Melksham...
From £17,684
Melksham, SN12
BEANACRE BUILDERS LTD are here to help customers who need an Extension Builder in Melksham. We offer a competitive rate to complete all your extens...
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 £17,684
APEX BUILDING/ROOFING are here to help customers who need an Extension Builder in Melksham. We offer a competitive rate to complete all your extens...
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 £17,612
Wiltshire Builders is a trusted extension builder serving customers in Melksham and the surrounding area. Contact us to today to get a competitive ...
From £17,300
Need an Extension Builder in Melksham? PRO BUILD PROPERTIES LTD has been helping local clients (20 mile radius) with their extension buildering job...
From £17,644
Experienced extension builder ready to quote for your work. Dwbr ltd is the best extension builder in Melksham. No obligation free quotes and many ...
From £17,364
Relax... you have found a reliable extension builder in Melksham. A P BUILDING CONTRACTORS LTD is a friendly and reliable company based in Melksham...
From £17,668
T&B Development are here to help customers who need an Extension Builder in Melksham. We offer a competitive rate to complete all your extension bu...

Underpinning ranges from £17,300 (PRO BUILD PROPERTIES LTD based in SN15) to £17,684 (BEANACRE BUILDERS LTD based in SN12), 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 Melksham by posting a job with HaMuch and we will send it to extension builders in Melksham.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| 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 Devizes | £32 | £242 |
| Underpin A Building near Calne | £29 | £225 |
| Underpin A Building near Chippenham | £34 | £258 |
| Underpin A Building near Frome | £33 | £263 |
| Underpin A Building near Bath | £32 | £249 |
| Underpin A Building near Keynsham | £33 | £251 |
| 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 - £17,552

Two storey extension - £88,078

Build a timber frame extension - £26,052

Build a swimming pool - £81,052

Single storey extension - £56,040

Side return extension - £42,085

Install an RSJ - £2,252

Outbuilding - £10,052

Build a Mansard loft conversion - £52,052

Loft conversion - £34,238

Build a kitchen extension - £42,052

Hip to gable loft conversion - £42,052

Granny annexe - £87,052

Garden office - £10,052

Convert a Garage - £16,052

Garage - £18,552

Build a flat roof extension - £22,052

Build a dormer loft conversion - £42,052

Concrete foundations - £6,302

Convert a bungalow loft - £29,052

Convert a basement - £38,085