From £17,588
Hallamshire Paving is an established and experienced local extension builder in DE4. Please contact us for a free, no obligation quote and competit...
From £17,844
Trusted and professional extension builder in DE4. Experienced in all extension buildering work and keeping within budget and on quote. AMB Joinery...
From £17,508
We are a family run business with 20 years experience.
We take great care and attention to the work we carry out and pride ourselves on ...
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 £16,500
Honest, reliable, experienced building/civil engineering contractor established in 2001.
From £17,524
JG Design & Build is an established extension buildering business in DE4. We come highly recommended and provide competitive quotes for your work.<...
From £17,356
Relax... you have found a reliable extension builder in DE4. Bennett Damp Proofing & Timber is a friendly and reliable company based in DE4 who con...
From £17,436
Need an Extension Builder in DE4? Patrick David Building Services Limited has been helping local clients (20 mile radius) with their extension buil...
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 £17,412
Need to find an Extension Builder near you for all your extension buildering work?
M F Westwick Construction Ltd provides a local, trusted ...

Underpinning ranges from £16,500 (HUSKINSON CONSTR SRVCS LTD based in NG16) to £17,844 (AMB Joinery & Building Services based in S8), 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 DE4 by posting a job with HaMuch and we will send it to extension builders in DE4.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Alfreton | £34 | £261 |
| 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 Chesterfield | £33 | £257 |
| Underpin A Building near Heanor | £31 | £236 |
| Underpin A Building near Kirkby-in-Ashfield | £34 | £269 |
| Underpin A Building near Ashfield | £34 | £269 |
| Underpin A Building near Dronfield | £33 | £262 |
| Underpin A Building near Sutton-in-Ashfield | £33 | £264 |
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 - £17,405

Two storey extension - £87,857

Build a timber frame extension - £25,905

Build a swimming pool - £80,905

Single storey extension - £53,096

Side return extension - £40,429

Install an RSJ - £2,105

Outbuilding - £9,905

Build a Mansard loft conversion - £51,905

Loft conversion - £32,858

Build a kitchen extension - £41,905

Hip to gable loft conversion - £41,905

Granny annexe - £86,905

Garden office - £9,905

Convert a Garage - £15,905

Garage - £18,405

Build a flat roof extension - £21,905

Build a dormer loft conversion - £41,905

Concrete foundations - £6,155

Convert a bungalow loft - £28,905

Convert a basement - £36,429