Wayne Parsons
An experienced quality tradesman who is a member of the federation of master builders.
Any projects will be undertaken safely, professio...

A flat roof extension ranges from the cheapest of £22,736 (WMP Builders based in TA9) to the dearest of £22,736 (WMP Builders based in TA9), 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 TA9 by posting a job with HaMuch. We'll send it to extension builders in TA9.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Bridgwater | £30 | £236 |
| Build A Flat Roof Extension near Weston-super-Mare | £33 | £253 |
| Build A Flat Roof Extension near North Somerset | £32 | £245 |
| Build A Flat Roof Extension near Clevedon | £32 | £243 |
| Build A Flat Roof Extension near Taunton | £31 | £242 |
| Build A Flat Roof Extension near Penarth | £35 | £219 |
| Build A Flat Roof Extension near South Somerset | £62 | £270 |
| Build A Flat Roof Extension near Portishead | £33 | £247 |
| Build A Flat Roof Extension near Barry | £33 | £223 |
| Build A Flat Roof Extension near Cardiff | £34 | £219 |
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 - £18,236

Two storey extension - £89,104

Build a timber frame extension - £26,736

Build a swimming pool - £81,736

Single storey extension - £69,720

Side return extension - £49,780

Install an RSJ - £2,936

Outbuilding - £10,736

Build a Mansard loft conversion - £52,736

Loft conversion - £40,650

Build a kitchen extension - £42,736

Hip to gable loft conversion - £42,736

Granny annexe - £87,736

Garden office - £10,736

Convert a Garage - £16,736

Garage - £19,236

Build a flat roof extension - £22,736

Build a dormer loft conversion - £42,736

Concrete foundations - £6,986

Convert a bungalow loft - £29,736

Convert a basement - £45,780