From £17,572
Our building services company MDP Building Contractors has over 30 years of experience of helping customers in Yeovil and the surrounding area by p...
From £17,628
STONEWALK CONSTRUCTION LTD is an established and experienced local extension builder in Crewkerne. Please contact us for a free, no obligation quot...
From £17,636
Need to find an Extension Builder near you for all your extension buildering work?
Allen and Woodard Building Contractors Limited provides ...
From £17,356
Firestone Surfacing Ltd is a trusted extension builder serving customers in Crewkerne and the surrounding area. Contact us to today to get a compet...
From £17,572
Need to find an Extension Builder near you for all your extension buildering work?
CB Construction provides a local, trusted extension buil...
From £18,596
Need to find an Extension Builder near you for all your extension buildering work?
Neil Massey Roofing Contractor provides a local, trusted...
From £17,996
Experienced extension builder ready to quote for your work. Tim Stradling is the best extension builder in Crewkerne. No obligation free quotes and...
From £17,364
Need to find an Extension Builder near you for all your extension buildering work?
Axminster Design and Build Limited provides a local, tru...
From £17,524
Experienced extension builder ready to quote for your work. LYME BAY BUILDING CO LTD is the best extension builder in Crewkerne. No obligation free...
From £17,684
Experienced extension builder ready to quote for your work. WILD CONSTRUCTION LTD is the best extension builder in Crewkerne. No obligation free qu...

Underpinning ranges from £17,356 (Firestone Surfacing Ltd based in BA21) to £18,596 (Neil Massey Roofing Contractor based in BA21), 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 Crewkerne by posting a job with HaMuch and we will send it to extension builders in Crewkerne.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Yeovil | £34 | £294 |
| Underpin A Building near South Somerset | £62 | £270 |
| Underpin A Building near Taunton | £31 | £242 |
| Underpin A Building near Bridgwater | £30 | £236 |
| Underpin A Building near Dorchester | £30 | £230 |
| Underpin A Building near Weymouth | £33 | £260 |
| Underpin A Building near East Devon | £27 | £221 |
| Underpin A Building near Frome | £33 | £263 |
| Underpin A Building near Exmouth | £24 | £210 |
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 - £17,693

Two storey extension - £88,289

Build a timber frame extension - £26,193

Build a swimming pool - £81,193

Single storey extension - £58,856

Side return extension - £43,669

Install an RSJ - £2,393

Outbuilding - £10,193

Build a Mansard loft conversion - £52,193

Loft conversion - £35,558

Build a kitchen extension - £42,193

Hip to gable loft conversion - £42,193

Granny annexe - £87,193

Garden office - £10,193

Convert a Garage - £16,193

Garage - £18,693

Build a flat roof extension - £22,193

Build a dormer loft conversion - £42,193

Concrete foundations - £6,443

Convert a bungalow loft - £29,193

Convert a basement - £39,669