From £21,776
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £21,976
Top Mark Conversions is a trusted extension builder serving customers in DE7 and the surrounding area. Contact us to today to get a competitive quo...
From £22,264
Trusted and professional extension builder in DE7. Experienced in all extension buildering work and keeping within budget and on quote. Seerey and ...
From £21,760
RMS Building Services is a trusted extension builder serving customers in DE7 and the surrounding area. Contact us to today to get a competitive qu...
From £21,000
Honest, reliable, experienced building/civil engineering contractor established in 2001.
From £22,000
D APPLEYARD BUILDERS is a trusted extension builder serving customers in DE7 and the surrounding area. Contact us to today to get a competitive quo...
From £21,760
Our building services company CLF Building was established over 15 years ago and have been helping customers throughout Nottinghamshire by providin...
From £21,728
Are you thinking about buying new windows or doors? adding space with a conservatory or protecting your home, from whatever the winter can throw at...
From £21,800
Acorn Windows (Nottingham) Limited are here to help customers who need an Extension Builder in DE7. We offer a competitive rate to complete all you...
From £21,888
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

A flat roof extension ranges from the cheapest of £21,000 (HUSKINSON CONSTR SRVCS LTD based in NG16) to the dearest of £22,264 (Seerey and Smith Building Solutions based in DE7), 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 DE7 by posting a job with HaMuch. We'll send it to extension builders in DE7.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Ilkeston | £31 | £235 |
| Build A Flat Roof Extension near Broxtowe | £33 | £240 |
| Build A Flat Roof Extension near Erewash | £31 | £233 |
| Build A Flat Roof Extension near Heanor | £31 | £236 |
| Build A Flat Roof Extension near Long Eaton | £32 | £248 |
| Build A Flat Roof Extension near Ripley | £32 | £246 |
| Build A Flat Roof Extension near Nottingham | £34 | £241 |
| Build A Flat Roof Extension near Hucknall | £35 | £258 |
| Build A Flat Roof Extension near Belper | £32 | £244 |
| Build A Flat Roof Extension near Derby | £30 | £228 |
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 - £17,295

Two storey extension - £87,693

Build a timber frame extension - £25,795

Build a swimming pool - £80,795

Single storey extension - £50,904

Side return extension - £39,196

Install an RSJ - £1,995

Outbuilding - £9,795

Build a Mansard loft conversion - £51,795

Loft conversion - £31,830

Build a kitchen extension - £41,795

Hip to gable loft conversion - £41,795

Granny annexe - £86,795

Garden office - £9,795

Convert a Garage - £15,795

Garage - £18,295

Build a flat roof extension - £21,795

Build a dormer loft conversion - £41,795

Concrete foundations - £6,045

Convert a bungalow loft - £28,795

Convert a basement - £35,196