From £21,896
Derbyshire Bathrooms & Kitchens Ltd is an established and experienced local extension builder in DE22. Please contact us for a free, no obligation ...
From £22,112
Need to find an Extension Builder near you for all your extension buildering work?
J Pearson Building provides a local, trusted extension b...
From £21,744
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 £21,904
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £21,752
Fitted Solutions was established in 2006 by founder Sam Fisher; with a promise to deliver exceptional craftmanship combined with first class custom...

A flat roof extension ranges from the cheapest of £21,744 (The Blackbrook Group based in DE22) to the dearest of £22,112 (J Pearson Building based in DE24), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in DE22 by posting a job with HaMuch. We'll send it to extension builders in DE22.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Derby | £29 | £227 |
| Build A Flat Roof Extension near Amber Valley | £32 | £244 |
| Build A Flat Roof Extension near Belper | £32 | £244 |
| Build A Flat Roof Extension near Erewash | £31 | £234 |
| Build A Flat Roof Extension near Ilkeston | £31 | £236 |
| Build A Flat Roof Extension near Heanor | £31 | £236 |
| Build A Flat Roof Extension near Ripley | £32 | £246 |
| Build A Flat Roof Extension near Long Eaton | £32 | £249 |
| Build A Flat Roof Extension near Burton upon Trent | £33 | £257 |
| Build A Flat Roof Extension near Broxtowe | £34 | £240 |
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 - £17,382

Two storey extension - £87,822

Build a timber frame extension - £25,882

Build a swimming pool - £80,882

Single storey extension - £52,632

Side return extension - £40,168

Install an RSJ - £2,082

Outbuilding - £9,882

Build a Mansard loft conversion - £51,882

Loft conversion - £32,640

Build a kitchen extension - £41,882

Hip to gable loft conversion - £41,882

Granny annexe - £86,882

Garden office - £9,882

Convert a Garage - £15,882

Garage - £18,382

Build a flat roof extension - £21,882

Build a dormer loft conversion - £41,882

Concrete foundations - £6,132

Convert a bungalow loft - £28,882

Convert a basement - £36,168