From £9,904
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £9,816
Relax... you have found a reliable extension builder in Derby. Flying Tortise is a friendly and reliable company based in Derby who consider no job...
From £9,800
derby, DE22
Need to find an Extension Builder near you for all your extension buildering work?
BRICKON CONSTRUCTION LIMITED provides a local, trusted e...
From £9,752
Fitted Solutions was established in 2006 by founder Sam Fisher; with a promise to deliver exceptional craftmanship combined with first class custom...
From £9,744
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 £9,704
A J Construction is an established and experienced local extension builder in Derby. Please contact us for a free, no obligation quote and competit...
From £10,112
Need to find an Extension Builder near you for all your extension buildering work?
J Pearson Building provides a local, trusted extension b...
From £10,152
Derby, DE24
Experienced extension builder ready to quote for your work. Rowes Building Ltd is the best extension builder in Derby. No obligation free quotes an...
From £9,896
Derbyshire Bathrooms & Kitchens Ltd is an established and experienced local extension builder in Derby. Please contact us for a free, no obligation...
From £9,864
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...

Outbuilding costs in Derby range from the cheapest of £9,704 (A J Construction based in DE22) to the dearest of £10,152 (Rowes Building Ltd based in DE24), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in Derby by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Derby | £30 | £228 |
| Outbuilding near Erewash | £31 | £233 |
| Outbuilding near Amber Valley | £31 | £238 |
| Outbuilding near Belper | £32 | £244 |
| Outbuilding near Ilkeston | £31 | £235 |
| Outbuilding near Heanor | £31 | £236 |
| Outbuilding near Long Eaton | £32 | £248 |
| Outbuilding near Ripley | £32 | £246 |
| Outbuilding near Broxtowe | £33 | £240 |
| Outbuilding near Burton upon Trent | £32 | £255 |
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 - £17,374

Two storey extension - £87,812

Build a timber frame extension - £25,874

Build a swimming pool - £80,874

Single storey extension - £52,488

Side return extension - £40,087

Install an RSJ - £2,074

Outbuilding - £9,874

Build a Mansard loft conversion - £51,874

Loft conversion - £32,573

Build a kitchen extension - £41,874

Hip to gable loft conversion - £41,874

Granny annexe - £86,874

Garden office - £9,874

Convert a Garage - £15,874

Garage - £18,374

Build a flat roof extension - £21,874

Build a dormer loft conversion - £41,874

Concrete foundations - £6,124

Convert a bungalow loft - £28,874

Convert a basement - £36,087