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Gary Bushen
Trusted and professional extension builder in PL30. Experienced in all extension buildering work and keeping within budget and on quote. Bushen Bui...
From £17,708
We are specialist in All aspects of Masonry & General Building Works. We also offer a Design and Build service to suit your requirements.At Burton ...

Underpinning ranges from £17,548 (Bushen Builders based in PL27) to £17,708 (Burton Construction based in PL31), 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 PL30 by posting a job with HaMuch and we will send it to extension builders in PL30.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near St Austell | £38 | £245 |
| Underpin A Building near Newquay | £32 | £230 |
| Underpin A Building near Truro | £31 | £206 |
| Underpin A Building near Plymouth | £30 | £230 |
| Underpin A Building near Falmouth | £33 | £220 |
| Underpin A Building near Camborne | £28 | £196 |
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 - £17,628

Two storey extension - £88,192

Build a timber frame extension - £26,128

Build a swimming pool - £81,128

Single storey extension - £57,560

Side return extension - £42,940

Install an RSJ - £2,328

Outbuilding - £10,128

Build a Mansard loft conversion - £52,128

Loft conversion - £34,950

Build a kitchen extension - £42,128

Hip to gable loft conversion - £42,128

Granny annexe - £87,128

Garden office - £10,128

Convert a Garage - £16,128

Garage - £18,628

Build a flat roof extension - £22,128

Build a dormer loft conversion - £42,128

Concrete foundations - £6,378

Convert a bungalow loft - £29,128

Convert a basement - £38,940