From £21,864
Trusted and professional extension builder in Retford. Experienced in all extension buildering work and keeping within budget and on quote. Gilman+...
From £22,272
If you are looking for a block-paving specialist Random Stone Construction can help. We have been transforming driveways for 15 ye...
From £21,952
Our building services company AJ Construction was established in 2008. Since then we have been helping customers in Nottinghamshire and the surroun...
From £21,968
Based in Nottinghamshire, Lincolnshire Resolution Roofing Ltd** is a professional, reliable roofing company with unrivalled expertise in the indus...
From £21,792
Haus Concrete Surfaces is an established extension buildering business in Retford. We come highly recommended and provide competitive quotes for yo...
From £21,928
CRAIG PARR BUILDERS is an established extension buildering business in Retford. We come highly recommended and provide competitive quotes for your ...
From £21,776
Need an Extension Builder in Retford? DB Construction has been helping local clients (20 mile radius) with their extension buildering jobs for many...
From £21,808
Relax... you have found a reliable extension builder in Retford. LFC Builders is a friendly and reliable company based in Retford who consider no j...
From £21,856
Relax... you have found a reliable extension builder in Retford. Tep's Building Services is a friendly and reliable company based in Retford who co...
From £22,240
Experienced extension builder ready to quote for your work. Refresh Renovations - North Nottinghamshire is the best extension builder in Retford. N...

A flat roof extension ranges from the cheapest of £21,776 (DB Construction based in NG22) to the dearest of £22,272 (Random Stone Construction based in S81), 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 Retford by posting a job with HaMuch. We'll send it to extension builders in Retford.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Retford | £31 | £243 |
| Build A Flat Roof Extension near Bassetlaw | £31 | £243 |
| Build A Flat Roof Extension near Worksop | £33 | £265 |
| Build A Flat Roof Extension near Gainsborough | £30 | £234 |
| Build A Flat Roof Extension near Forest Town | £33 | £263 |
| Build A Flat Roof Extension near Mansfield Woodhouse | £33 | £263 |
| Build A Flat Roof Extension near Wickersley | £33 | £257 |
| Build A Flat Roof Extension near Lincoln | £31 | £232 |
| Build A Flat Roof Extension near Doncaster | £29 | £238 |
| 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 - £17,446

Two storey extension - £87,918

Build a timber frame extension - £25,946

Build a swimming pool - £80,946

Single storey extension - £53,912

Side return extension - £40,888

Install an RSJ - £2,146

Outbuilding - £9,946

Build a Mansard loft conversion - £51,946

Loft conversion - £33,240

Build a kitchen extension - £41,946

Hip to gable loft conversion - £41,946

Granny annexe - £86,946

Garden office - £9,946

Convert a Garage - £15,946

Garage - £18,446

Build a flat roof extension - £21,946

Build a dormer loft conversion - £41,946

Concrete foundations - £6,196

Convert a bungalow loft - £28,946

Convert a basement - £36,888