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Marin Hughes General Builders is a trusted extension builder serving customers in SA10 and the surrounding area. Contact us to today to get a compe...
Trusted and professional extension builder in SA10. Experienced in all extension buildering work and keeping within budget and on quote. HALL & HAR...

Underpinning ranges from £17,260 (Marin Hughes General Builders based in SA10) to £17,476 (HALL & HARRIS CONSTRUCTION based in SA11), 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 SA10 by posting a job with HaMuch and we will send it to extension builders in SA10.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Neath | £30 | £225 |
| Underpin A Building near Neath Port Talbot | £31 | £224 |
| Underpin A Building near Port Talbot | £31 | £227 |
| Underpin A Building near Swansea | £29 | £229 |
| Underpin A Building near Maesteg | £38 | £283 |
| Underpin A Building near Gorseinon | £29 | £228 |
| Underpin A Building near Pyle | £34 | £262 |
| Underpin A Building near Porthcawl | £33 | £252 |
| Underpin A Building near Aberdare | £32 | £212 |
| Underpin A Building near Llanelli | £29 | £231 |
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 - £17,368

Two storey extension - £87,802

Build a timber frame extension - £25,868

Build a swimming pool - £80,868

Single storey extension - £52,360

Side return extension - £40,015

Install an RSJ - £2,068

Outbuilding - £9,868

Build a Mansard loft conversion - £51,868

Loft conversion - £32,513

Build a kitchen extension - £41,868

Hip to gable loft conversion - £41,868

Granny annexe - £86,868

Garden office - £9,868

Convert a Garage - £15,868

Garage - £18,368

Build a flat roof extension - £21,868

Build a dormer loft conversion - £41,868

Concrete foundations - £6,118

Convert a bungalow loft - £28,868

Convert a basement - £36,015