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 £22,272
If you are looking for a block-paving specialist Random Stone Construction can help. We have been transforming driveways for 15 ye...

A flat roof extension ranges from the cheapest of £21,952 (AJ Construction based in S81) 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 S80 by posting a job with HaMuch. We'll send it to extension builders in S80.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Worksop | £33 | £265 |
| Build A Flat Roof Extension near Bassetlaw | £31 | £243 |
| Build A Flat Roof Extension near Retford | £31 | £243 |
| Build A Flat Roof Extension near Mansfield Woodhouse | £33 | £262 |
| Build A Flat Roof Extension near Forest Town | £33 | £262 |
| Build A Flat Roof Extension near Wickersley | £33 | £257 |
| Build A Flat Roof Extension near Mansfield | £33 | £261 |
| Build A Flat Roof Extension near Sutton-in-Ashfield | £33 | £264 |
| Build A Flat Roof Extension near Chesterfield | £33 | £257 |
| Build A Flat Roof Extension near Rotherham | £33 | £257 |
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 - £17,612

Two storey extension - £88,168

Build a timber frame extension - £26,112

Build a swimming pool - £81,112

Single storey extension - £57,240

Side return extension - £42,760

Install an RSJ - £2,312

Outbuilding - £10,112

Build a Mansard loft conversion - £52,112

Loft conversion - £34,800

Build a kitchen extension - £42,112

Hip to gable loft conversion - £42,112

Granny annexe - £87,112

Garden office - £10,112

Convert a Garage - £16,112

Garage - £18,612

Build a flat roof extension - £22,112

Build a dormer loft conversion - £42,112

Concrete foundations - £6,362

Convert a bungalow loft - £29,112

Convert a basement - £38,760