Albert Radici
Trusted General Builders in Durham From small fixes to full renovations, Radici Construction delivers quality workmanship, clear communication,...
RAINTON CONSTRUCTION LTD is an established and experienced local extension builder in DH1. Please contact us for a free, no obligation quote and co...
From £17,260
Need an Extension Builder in DH1? K & J Property has been helping local clients (20 mile radius) with their extension buildering jobs for many year...

Underpinning ranges from £17,260 (K & J Property based in DH7) to £18,412 (Radici Construction North East Ltd based in DH1), 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 DH1 by posting a job with HaMuch and we will send it to extension builders in DH1.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Durham | £47 | £267 |
| Underpin A Building near Chester-le-Street | £35 | £242 |
| Underpin A Building near Spennymoor | £37 | £249 |
| Underpin A Building near Washington | £33 | £254 |
| Underpin A Building near Sunderland | £33 | £251 |
| Underpin A Building near Stanley | £34 | £242 |
| Underpin A Building near Seaham | £35 | £235 |
| Underpin A Building near Bishop Auckland | £38 | £248 |
| Underpin A Building near Peterlee | £36 | £230 |
| Underpin A Building near Newton Aycliffe | £38 | £225 |
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 - £17,759

Two storey extension - £88,388

Build a timber frame extension - £26,259

Build a swimming pool - £81,259

Single storey extension - £60,173

Side return extension - £44,410

Install an RSJ - £2,459

Outbuilding - £10,259

Build a Mansard loft conversion - £52,259

Loft conversion - £36,175

Build a kitchen extension - £42,259

Hip to gable loft conversion - £42,259

Granny annexe - £87,259

Garden office - £10,259

Convert a Garage - £16,259

Garage - £18,759

Build a flat roof extension - £22,259

Build a dormer loft conversion - £42,259

Concrete foundations - £6,509

Convert a bungalow loft - £29,259

Convert a basement - £40,410