From £22,008
We are a family run business with 20 years experience.
We take great care and attention to the work we carry out and pride ourselves on ...
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
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 £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 Alfreton. We come highly recommended and provide competitive quotes for your w...
From £21,856
Relax... you have found a reliable extension builder in Alfreton. Bennett Damp Proofing & Timber is a friendly and reliable company based in Alfret...
From £21,936
Need an Extension Builder in Alfreton? Patrick David Building Services Limited has been helping local clients (20 mile radius) with their extension...
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 £21,912
Need to find an Extension Builder near you for all your extension buildering work?
M F Westwick Construction Ltd provides a local, trusted ...
From £21,760
RMS Building Services is a trusted extension builder serving customers in Alfreton and the surrounding area. Contact us to today to get a competiti...

A flat roof extension ranges from the cheapest of £21,000 (HUSKINSON CONSTR SRVCS LTD based in NG16) to the dearest of £22,024 (JG Design & Build based in NG8), 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 Alfreton by posting a job with HaMuch. We'll send it to extension builders in Alfreton.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Alfreton | £34 | £261 |
| Build A Flat Roof Extension near Ripley | £32 | £246 |
| Build A Flat Roof Extension near Kirkby-in-Ashfield | £34 | £270 |
| Build A Flat Roof Extension near Ashfield | £34 | £270 |
| Build A Flat Roof Extension near Sutton-in-Ashfield | £33 | £265 |
| Build A Flat Roof Extension near Heanor | £31 | £236 |
| 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 Hucknall | £35 | £258 |
| Build A Flat Roof Extension near Mansfield | £33 | £262 |
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 - £17,266

Two storey extension - £87,648

Build a timber frame extension - £25,766

Build a swimming pool - £80,766

Single storey extension - £50,312

Side return extension - £38,863

Install an RSJ - £1,966

Outbuilding - £9,766

Build a Mansard loft conversion - £51,766

Loft conversion - £31,553

Build a kitchen extension - £41,766

Hip to gable loft conversion - £41,766

Granny annexe - £86,766

Garden office - £9,766

Convert a Garage - £15,766

Garage - £18,266

Build a flat roof extension - £21,766

Build a dormer loft conversion - £41,766

Concrete foundations - £6,016

Convert a bungalow loft - £28,766

Convert a basement - £34,863