From £17,628
STONEWALK CONSTRUCTION LTD is an established and experienced local extension builder in Merriott. Please contact us for a free, no obligation quote...
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 £17,636
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 Merriott and the surrounding area. Contact us to today to get a competi...
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 Merriott. No obligation free quotes and ...
From £17,452
Experienced extension builder ready to quote for your work. ABS Abbott Preservation is the best extension builder in Merriott. No obligation free q...
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 £17,900
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £17,356 (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 Merriott by posting a job with HaMuch and we will send it to extension builders in Merriott.
| 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 East Devon | £27 | £221 |
| Underpin A Building near Weymouth | £33 | £260 |
| Underpin A Building near Frome | £33 | £263 |
| Underpin A Building near Bath | £32 | £249 |
| 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 - £17,707

Two storey extension - £88,311

Build a timber frame extension - £26,207

Build a swimming pool - £81,207

Single storey extension - £59,144

Side return extension - £43,831

Install an RSJ - £2,407

Outbuilding - £10,207

Build a Mansard loft conversion - £52,207

Loft conversion - £35,693

Build a kitchen extension - £42,207

Hip to gable loft conversion - £42,207

Granny annexe - £87,207

Garden office - £10,207

Convert a Garage - £16,207

Garage - £18,707

Build a flat roof extension - £22,207

Build a dormer loft conversion - £42,207

Concrete foundations - £6,457

Convert a bungalow loft - £29,207

Convert a basement - £39,831