From £17,628
STONEWALK CONSTRUCTION LTD is an established and experienced local extension builder in Martock. Please contact us for a free, no obligation quote ...
From £17,996
Experienced extension builder ready to quote for your work. Tim Stradling is the best extension builder in Martock. No obligation free quotes and m...
From £17,356
Firestone Surfacing Ltd is a trusted extension builder serving customers in Martock and the surrounding area. Contact us to today to get a competit...
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 £17,452
Experienced extension builder ready to quote for your work. ABS Abbott Preservation is the best extension builder in Martock. No obligation free qu...
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 £17,636
Need to find an Extension Builder near you for all your extension buildering work?
Allen and Woodard Building Contractors Limited provides ...
From £17,492
Adrian Fowler Property Maintenance & General Building is a trusted extension builder serving customers in Martock and the surrounding area. Contact...
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 £17,028 (C O JOYCE LIMITED based in BA16) 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 Martock by posting a job with HaMuch and we will send it to extension builders in Martock.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near South Somerset | £62 | £270 |
| Underpin A Building near Yeovil | £34 | £294 |
| Underpin A Building near Bridgwater | £30 | £236 |
| Underpin A Building near Taunton | £31 | £242 |
| Underpin A Building near Dorchester | £30 | £230 |
| Underpin A Building near East Devon | £27 | £221 |
| Underpin A Building near Frome | £33 | £263 |
| Underpin A Building near Weymouth | £33 | £260 |
| Underpin A Building near Bath | £32 | £249 |
| Underpin A Building near Weston-super-Mare | £33 | £253 |
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 - £17,666

Two storey extension - £88,248

Build a timber frame extension - £26,166

Build a swimming pool - £81,166

Single storey extension - £58,312

Side return extension - £43,363

Install an RSJ - £2,366

Outbuilding - £10,166

Build a Mansard loft conversion - £52,166

Loft conversion - £35,303

Build a kitchen extension - £42,166

Hip to gable loft conversion - £42,166

Granny annexe - £87,166

Garden office - £10,166

Convert a Garage - £16,166

Garage - £18,666

Build a flat roof extension - £22,166

Build a dormer loft conversion - £42,166

Concrete foundations - £6,416

Convert a bungalow loft - £29,166

Convert a basement - £39,363