From £17,300
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,652
Prestige Build Services LTD is a trusted extension builder serving customers in Pewsey and the surrounding area. Contact us to today to get a compe...
From £17,036
Need an Extension Builder in Pewsey? R PEARCE BUILDING has been helping local clients (20 mile radius) with their extension buildering jobs for man...
From £17,596
MJ solutions is an established and experienced local extension builder in Pewsey. Please contact us for a free, no obligation quote and competitiv...
From £17,556
DSA CONSTRUCTION is an established extension buildering business in Pewsey. We come highly recommended and provide competitive quotes for your work...
From £17,364
Relax... you have found a reliable extension builder in Pewsey. A P BUILDING CONTRACTORS LTD is a friendly and reliable company based in Pewsey who...
From £16,980
MR HOWELL are here to help customers who need an Extension Builder in Pewsey. We offer a competitive rate to complete all your extension buildering...
From £17,652
Need to find an Extension Builder near you for all your extension buildering work?
A S A BUILDING SERVICES LTD provides a local, trusted ex...
From £17,452
A D BUILDING SERVICES T/A is a trusted extension builder serving customers in Pewsey and the surrounding area. Contact us to today to get a competi...
From £17,572
We have a skilled and dedicated team of professional tradesmen to carry out all your requirements. Whether you are looking to build, extend or upgr...

Underpinning ranges from £16,980 (MR HOWELL based in SN3) to £17,652 (Prestige Build Services LTD based in SN5), 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 Pewsey by posting a job with HaMuch and we will send it to extension builders in Pewsey.
| 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 Andover | £40 | £248 |
| Underpin A Building near Swindon | £38 | £238 |
| Underpin A Building near Test Valley | £37 | £261 |
| Underpin A Building near Salisbury | £35 | £247 |
| Underpin A Building near Trowbridge | £34 | £266 |
| Underpin A Building near Stratton St Margaret | £37 | £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 - £17,416

Two storey extension - £87,874

Build a timber frame extension - £25,916

Build a swimming pool - £80,916

Single storey extension - £53,320

Side return extension - £40,555

Install an RSJ - £2,116

Outbuilding - £9,916

Build a Mansard loft conversion - £51,916

Loft conversion - £32,963

Build a kitchen extension - £41,916

Hip to gable loft conversion - £41,916

Granny annexe - £86,916

Garden office - £9,916

Convert a Garage - £15,916

Garage - £18,416

Build a flat roof extension - £21,916

Build a dormer loft conversion - £41,916

Concrete foundations - £6,166

Convert a bungalow loft - £28,916

Convert a basement - £36,555