From £21,320
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £21,952
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £21,952
We offer a range of building services that are tailored to meet the specific needs of our clients. Whether you are looking to extend your home, con...
From £22,040
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £21,000
Honest, reliable, experienced building/civil engineering contractor established in 2001.
From £22,024
JG Design & Build is an established extension buildering business in Belper. We come highly recommended and provide competitive quotes for your wor...
From £21,856
Relax... you have found a reliable extension builder in Belper. Bennett Damp Proofing & Timber is a friendly and reliable company based in Belper w...
From £21,888
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £21,936
Need an Extension Builder in Belper? Patrick David Building Services Limited has been helping local clients (20 mile radius) with their extension b...
From £21,912
Need to find an Extension Builder near you for all your extension buildering work?
M F Westwick Construction Ltd provides a local, trusted ...

A flat roof extension ranges from the cheapest of £21,000 (HUSKINSON CONSTR SRVCS LTD based in NG16) to the dearest of £22,040 (IH Properties Ltd based in LE67), 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 Belper by posting a job with HaMuch. We'll send it to extension builders in Belper.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Belper | £32 | £244 |
| Build A Flat Roof Extension near Amber Valley | £31 | £238 |
| Build A Flat Roof Extension near Ripley | £32 | £246 |
| Build A Flat Roof Extension near Heanor | £31 | £236 |
| Build A Flat Roof Extension near Derby | £30 | £228 |
| Build A Flat Roof Extension near Alfreton | £34 | £261 |
| Build A Flat Roof Extension near Ilkeston | £31 | £236 |
| Build A Flat Roof Extension near Erewash | £31 | £234 |
| Build A Flat Roof Extension near Broxtowe | £34 | £240 |
| Build A Flat Roof Extension near Ashfield | £34 | £270 |
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 - £17,288

Two storey extension - £87,682

Build a timber frame extension - £25,788

Build a swimming pool - £80,788

Single storey extension - £50,760

Side return extension - £39,115

Install an RSJ - £1,988

Outbuilding - £9,788

Build a Mansard loft conversion - £51,788

Loft conversion - £31,763

Build a kitchen extension - £41,788

Hip to gable loft conversion - £41,788

Granny annexe - £86,788

Garden office - £9,788

Convert a Garage - £15,788

Garage - £18,288

Build a flat roof extension - £21,788

Build a dormer loft conversion - £41,788

Concrete foundations - £6,038

Convert a bungalow loft - £28,788

Convert a basement - £35,115