From £17,244
Trusted and professional extension builder in Northallerton. Experienced in all extension buildering work and keeping within budget and on quote. E...
From £17,420
Graham Gamble is an established and experienced local extension builder in Northallerton. Please contact us for a free, no obligation quote and com...
From £17,380
Relax... you have found a reliable extension builder in Northallerton. Under Pressure is a friendly and reliable company based in Northallerton who...
From £17,260
Trusted and professional extension builder in Northallerton. Experienced in all extension buildering work and keeping within budget and on quote. D...
From £17,220
Northallerton, DL6
S & K Windows are here to help customers who need an Extension Builder in Northallerton. We offer a competitive rate to complete all your extension...
From £17,348
Need to find an Extension Builder near you for all your extension buildering work?
Victory Procurement Solutions provides a local, trusted...
From £17,132
Partek Site Services is an established and experienced local extension builder in Northallerton. Please contact us for a free, no obligation quote ...
From £16,780
Relax... you have found a reliable extension builder in Northallerton. B A Moss Builders is a friendly and reliable company based in Northallerton ...
From £16,940
Trusted and professional extension builder in Northallerton. Experienced in all extension buildering work and keeping within budget and on quote. M...
From £17,260
Need to find an Extension Builder near you for all your extension buildering work?
Extra Space Developments Ltd provides a local, trusted e...

Underpinning ranges from £16,780 (B A Moss Builders based in YO61) to £17,420 (Graham Gamble based in YO62), 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 Northallerton by posting a job with HaMuch and we will send it to extension builders in Northallerton.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Ingleby Barwick | £41 | £228 |
| Underpin A Building near Thornaby-on-Tees | £42 | £231 |
| Underpin A Building near Darlington | £60 | £222 |
| Underpin A Building near Stockton-on-Tees | £41 | £228 |
| Underpin A Building near Middlesbrough | £43 | £236 |
| Underpin A Building near Eston | £42 | £241 |
| Underpin A Building near Billingham | £44 | £242 |
| Underpin A Building near Newton Aycliffe | £39 | £227 |
| Underpin A Building near Redcar & Cleveland | £43 | £254 |
| Underpin A Building near Redcar | £42 | £240 |
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 - £17,198

Two storey extension - £87,548

Build a timber frame extension - £25,698

Build a swimming pool - £80,698

Single storey extension - £48,968

Side return extension - £38,107

Install an RSJ - £1,898

Outbuilding - £9,698

Build a Mansard loft conversion - £51,698

Loft conversion - £30,923

Build a kitchen extension - £41,698

Hip to gable loft conversion - £41,698

Granny annexe - £86,698

Garden office - £9,698

Convert a Garage - £15,698

Garage - £18,198

Build a flat roof extension - £21,698

Build a dormer loft conversion - £41,698

Concrete foundations - £5,948

Convert a bungalow loft - £28,698

Convert a basement - £34,107