From £16,772
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,708
Sheehan & Godfrey (Construction) Limited is an established and experienced local extension builder in NG33. Please contact us for a free, no obliga...
From £16,948
Building maintenance services offer a professional and polite reliable service to our clients and custom , with over 20years in the building trade ...
From £17,332
Our building services company DH Home Improvements was established in 2003. Since then we have been helping customers in Lincolnshire and the surro...
From £17,068
BRIARWOOD BUILDING CONTRS LTD is an established extension buildering business in NG33. We come highly recommended and provide competitive quotes fo...
From £17,396
Experienced extension builder ready to quote for your work. Park home developments is the best extension builder in NG33. No obligation free quotes...
From £17,100
Need to find an Extension Builder near you for all your extension buildering work?
QKS Limited provides a local, trusted extension builderi...
From £17,148
Addison are here to help customers who need an Extension Builder in NG33. We offer a competitive rate to complete all your extension buildering job...
From £17,540
Need an Extension Builder in NG33? AWA Residential has been helping local clients (20 mile radius) with their extension buildering jobs for many ye...

Underpinning ranges from £16,772 (LG Soffits & Fascias based in NG31) to £17,708 (Sheehan & Godfrey (Construction) Limited based in PE10), 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 NG33 by posting a job with HaMuch and we will send it to extension builders in NG33.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Grantham | £38 | £228 |
| Underpin A Building near Stamford | £35 | £248 |
| Underpin A Building near Melton Mowbray | £31 | £222 |
| Underpin A Building near Spalding | £32 | £238 |
| Underpin A Building near Newark-on-Trent | £33 | £241 |
| Underpin A Building near Peterborough | £42 | £280 |
| Underpin A Building near Corby | £30 | £214 |
| Underpin A Building near Gedling | £33 | £242 |
| Underpin A Building near Carlton | £33 | £242 |
| Underpin A Building near Charnwood | £32 | £245 |
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 - £17,251

Two storey extension - £87,627

Build a timber frame extension - £25,751

Build a swimming pool - £80,751

Single storey extension - £50,024

Side return extension - £38,701

Install an RSJ - £1,951

Outbuilding - £9,751

Build a Mansard loft conversion - £51,751

Loft conversion - £31,418

Build a kitchen extension - £41,751

Hip to gable loft conversion - £41,751

Granny annexe - £86,751

Garden office - £9,751

Convert a Garage - £15,751

Garage - £18,251

Build a flat roof extension - £21,751

Build a dormer loft conversion - £41,751

Concrete foundations - £6,001

Convert a bungalow loft - £28,751

Convert a basement - £34,701