From £17,492
Need to find an Extension Builder near you for all your extension buildering work?
A B Building Roofing Services provides a local, trusted ...
From £16,820
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,452
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,452
We offer a range of building services that are tailored to meet the specific needs of our clients. Whether you are looking to extend your home, con...
From £17,540
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £16,500
Honest, reliable, experienced building/civil engineering contractor established in 2001.
From £17,524
JG Design & Build is an established extension buildering business in DE56. We come highly recommended and provide competitive quotes for your work....
From £17,356
Relax... you have found a reliable extension builder in DE56. Bennett Damp Proofing & Timber is a friendly and reliable company based in DE56 who c...
From £17,388
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,436
Need an Extension Builder in DE56? Patrick David Building Services Limited has been helping local clients (20 mile radius) with their extension bui...

Underpinning ranges from £16,500 (HUSKINSON CONSTR SRVCS LTD based in NG16) to £17,540 (IH Properties Ltd based in LE67), 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 DE56 by posting a job with HaMuch and we will send it to extension builders in DE56.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Belper | £32 | £244 |
| Underpin A Building near Amber Valley | £32 | £244 |
| Underpin A Building near Ripley | £32 | £246 |
| Underpin A Building near Heanor | £31 | £236 |
| Underpin A Building near Derby | £29 | £227 |
| Underpin A Building near Alfreton | £34 | £261 |
| Underpin A Building near Ilkeston | £31 | £236 |
| Underpin A Building near Erewash | £31 | £234 |
| Underpin A Building near Broxtowe | £34 | £240 |
| Underpin A Building near Ashfield | £34 | £270 |
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 - £17,296

Two storey extension - £87,694

Build a timber frame extension - £25,796

Build a swimming pool - £80,796

Single storey extension - £50,920

Side return extension - £39,205

Install an RSJ - £1,996

Outbuilding - £9,796

Build a Mansard loft conversion - £51,796

Loft conversion - £31,838

Build a kitchen extension - £41,796

Hip to gable loft conversion - £41,796

Granny annexe - £86,796

Garden office - £9,796

Convert a Garage - £15,796

Garage - £18,296

Build a flat roof extension - £21,796

Build a dormer loft conversion - £41,796

Concrete foundations - £6,046

Convert a bungalow loft - £28,796

Convert a basement - £35,205