From £17,676
Trusted and professional extension builder in Shaftesbury. Experienced in all extension buildering work and keeping within budget and on quote. MDW...
From £17,660
Need to find an Extension Builder near you for all your extension buildering work?
J.V MARSTON BUILDERS provides a local, trusted extension...
From £17,364
Relax... you have found a reliable extension builder in Shaftesbury. Bryan Loveday Services Limited is a friendly and reliable company based in Sha...
From £17,636
Arkson builders ltd is an established and experienced local extension builder in Shaftesbury. Please contact us for a free, no obligation quote and...
From £17,524
K E Sainsbury Builders is an established and experienced local extension builder in Shaftesbury. Please contact us for a free, no obligation quote ...
From £17,196
Need to find an Extension Builder near you for all your extension buildering work?
2 Counties Construction provides a local, trusted extens...
From £17,292
Need an Extension Builder in Shaftesbury? OLIVE CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering jo...
From £17,780
Need an Extension Builder in Shaftesbury? EMBERSON GENERAL BUILDERS has been helping local clients (20 mile radius) with their extension buildering...
From £17,580
Relax... you have found a reliable extension builder in Shaftesbury. HILLIER CONSTRUCTION is a friendly and reliable company based in Shaftesbury w...
From £17,292
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £17,196 (2 Counties Construction based in SP3) to £17,780 (EMBERSON GENERAL BUILDERS based in BA12), 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 Shaftesbury by posting a job with HaMuch and we will send it to extension builders in Shaftesbury.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Frome | £33 | £263 |
| Underpin A Building near Salisbury | £35 | £247 |
| Underpin A Building near Yeovil | £34 | £294 |
| Underpin A Building near Poole | £38 | £250 |
| Underpin A Building near Trowbridge | £34 | £266 |
| Underpin A Building near South Somerset | £62 | £270 |
| Underpin A Building near Dorchester | £30 | £230 |
| Underpin A Building near Bournemouth | £38 | £257 |
| Underpin A Building near Devizes | £32 | £242 |
| Underpin A Building near North Wiltshire | £32 | £242 |
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 - £17,500

Two storey extension - £88,000

Build a timber frame extension - £26,000

Build a swimming pool - £81,000

Single storey extension - £55,000

Side return extension - £41,500

Install an RSJ - £2,200

Outbuilding - £10,000

Build a Mansard loft conversion - £52,000

Loft conversion - £33,750

Build a kitchen extension - £42,000

Hip to gable loft conversion - £42,000

Granny annexe - £87,000

Garden office - £10,000

Convert a Garage - £16,000

Garage - £18,500

Build a flat roof extension - £22,000

Build a dormer loft conversion - £42,000

Concrete foundations - £6,250

Convert a bungalow loft - £29,000

Convert a basement - £37,500