From £22,360
Arran Scargill
Over 25 years experience in the building industry
Any job from a light switch to building a house give me a call

A flat roof extension ranges from the cheapest of £22,360 (Ahs joinery and building ltd based in HU13) to the dearest of £22,360 (Ahs joinery and building ltd based in HU13), 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 DN18 by posting a job with HaMuch. We'll send it to extension builders in DN18.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Willerby | £29 | £221 |
| Build A Flat Roof Extension near Hull | £29 | £223 |
| Build A Flat Roof Extension near North Lincolnshire | £28 | £216 |
| Build A Flat Roof Extension near Scunthorpe | £26 | £207 |
| Build A Flat Roof Extension near East Riding | £29 | £223 |
| Build A Flat Roof Extension near Beverley | £29 | £223 |
| Build A Flat Roof Extension near North East Lincolnshire | £32 | £246 |
| Build A Flat Roof Extension near Grimsby | £32 | £246 |
| Build A Flat Roof Extension near Cleethorpes | £32 | £246 |
| Build A Flat Roof Extension near Goole | £26 | £217 |
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 - £17,860

Two storey extension - £88,540

Build a timber frame extension - £26,360

Build a swimming pool - £81,360

Single storey extension - £62,200

Side return extension - £45,550

Install an RSJ - £2,560

Outbuilding - £10,360

Build a Mansard loft conversion - £52,360

Loft conversion - £37,125

Build a kitchen extension - £42,360

Hip to gable loft conversion - £42,360

Granny annexe - £87,360

Garden office - £10,360

Convert a Garage - £16,360

Garage - £18,860

Build a flat roof extension - £22,360

Build a dormer loft conversion - £42,360

Concrete foundations - £6,610

Convert a bungalow loft - £29,360

Convert a basement - £41,550