From £17,364
Relax... you have found a reliable extension builder in Westbury. Bryan Loveday Services Limited is a friendly and reliable company based in Westbu...
From £17,780
Need an Extension Builder in Westbury? EMBERSON GENERAL BUILDERS has been helping local clients (20 mile radius) with their extension buildering jo...
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 £17,396
Experienced extension builder ready to quote for your work. George Davies Group Ltd is the best extension builder in Westbury. No obligation free q...
From £17,684
APEX BUILDING/ROOFING are here to help customers who need an Extension Builder in Westbury. We offer a competitive rate to complete all your extens...
From £17,372
McIntosh DBR Ltd. is an established extension buildering business in Westbury. We come highly recommended and provide competitive quotes for your w...
From £17,636
Experienced extension builder ready to quote for your work. Craft Renovations is the best extension builder in Westbury. No obligation free quotes ...
From £17,644
Experienced extension builder ready to quote for your work. Dwbr ltd is the best extension builder in Westbury. No obligation free quotes and many ...
From £17,572
Relax... you have found a reliable extension builder in Westbury. TJ PROFESSIONAL BUILDERS T/A is a friendly and reliable company based in Westbury...

Underpinning ranges from £17,364 (Bryan Loveday Services Limited based in BA12) to £17,796 (Prestige home improvements based in BA11), 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 Westbury by posting a job with HaMuch and we will send it to extension builders in Westbury.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Trowbridge | £34 | £266 |
| Underpin A Building near Frome | £33 | £263 |
| Underpin A Building near Devizes | £32 | £242 |
| Underpin A Building near West Wiltshire | £32 | £242 |
| Underpin A Building near North Wiltshire | £32 | £242 |
| Underpin A Building near Bath | £32 | £249 |
| Underpin A Building near Calne | £29 | £225 |
| Underpin A Building near Chippenham | £34 | £258 |
| Underpin A Building near Keynsham | £33 | £251 |
| Underpin A Building near Kingswood | £34 | £257 |
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 - £17,584

Two storey extension - £88,126

Build a timber frame extension - £26,084

Build a swimming pool - £81,084

Single storey extension - £56,680

Side return extension - £42,445

Install an RSJ - £2,284

Outbuilding - £10,084

Build a Mansard loft conversion - £52,084

Loft conversion - £34,538

Build a kitchen extension - £42,084

Hip to gable loft conversion - £42,084

Granny annexe - £87,084

Garden office - £10,084

Convert a Garage - £16,084

Garage - £18,584

Build a flat roof extension - £22,084

Build a dormer loft conversion - £42,084

Concrete foundations - £6,334

Convert a bungalow loft - £29,084

Convert a basement - £38,445