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STONEWALK CONSTRUCTION LTD is an established and experienced local extension builder in Crewkerne. Please contact us for a free, no obligation quot...
Hraham Evans
Firestone Surfacing Ltd is a trusted extension builder serving customers in Crewkerne and the surrounding area. Contact us to today to get a compet...
Need to find an Extension Builder near you for all your extension buildering work?
Allen and Woodard Building Contractors Limited provides ...
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...

Underpinning ranges from £17,356 (Firestone Surfacing Ltd based in BA21) to £17,636 (Allen and Woodard Building Contractors Limited based in TA19), 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 - £17,548

Two storey extension - £88,072

Build a timber frame extension - £26,048

Build a swimming pool - £81,048

Single storey extension - £55,960

Side return extension - £42,040

Install an RSJ - £2,248

Outbuilding - £10,048

Build a Mansard loft conversion - £52,048

Loft conversion - £34,200

Build a kitchen extension - £42,048

Hip to gable loft conversion - £42,048

Granny annexe - £87,048

Garden office - £10,048

Convert a Garage - £16,048

Garage - £18,548

Build a flat roof extension - £22,048

Build a dormer loft conversion - £42,048

Concrete foundations - £6,298

Convert a bungalow loft - £29,048

Convert a basement - £38,040