From £17,396
Derbyshire Bathrooms & Kitchens Ltd is an established and experienced local extension builder in DE1. Please contact us for a free, no obligation q...
From £17,612
Need to find an Extension Builder near you for all your extension buildering work?
J Pearson Building provides a local, trusted extension b...
From £17,404
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,252
Fitted Solutions was established in 2006 by founder Sam Fisher; with a promise to deliver exceptional craftmanship combined with first class custom...
From £17,244
The Blackbrook Group offers a one-stop shop for your construction project. We offer support from concept through to completion. We start with an in...
From £17,364
Nestled in the rolling hillside of the West Midlands, Derby is a city birthed by the Roman Empire, and grown in the industrial revolution. Initiall...

Underpinning ranges from £17,244 (The Blackbrook Group based in DE22) to £17,612 (J Pearson Building based in DE24), 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 DE1 by posting a job with HaMuch and we will send it to extension builders in DE1.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Derby | £29 | £227 |
| Underpin A Building near Erewash | £31 | £234 |
| Underpin A Building near Amber Valley | £32 | £244 |
| Underpin A Building near Belper | £32 | £244 |
| Underpin A Building near Ilkeston | £31 | £236 |
| Underpin A Building near Long Eaton | £32 | £249 |
| Underpin A Building near Heanor | £31 | £236 |
| Underpin A Building near Ripley | £32 | £246 |
| Underpin A Building near Broxtowe | £34 | £240 |
| Underpin A Building near Burton upon Trent | £33 | £257 |
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 - £17,379

Two storey extension - £87,818

Build a timber frame extension - £25,879

Build a swimming pool - £80,879

Single storey extension - £52,573

Side return extension - £40,135

Install an RSJ - £2,079

Outbuilding - £9,879

Build a Mansard loft conversion - £51,879

Loft conversion - £32,613

Build a kitchen extension - £41,879

Hip to gable loft conversion - £41,879

Granny annexe - £86,879

Garden office - £9,879

Convert a Garage - £15,879

Garage - £18,379

Build a flat roof extension - £21,879

Build a dormer loft conversion - £41,879

Concrete foundations - £6,129

Convert a bungalow loft - £28,879

Convert a basement - £36,135