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STONEWALK CONSTRUCTION LTD is an established and experienced local extension builder in South Somerset. Please contact us for a free, no obligation...
Experienced extension builder ready to quote for your work. ABS Abbott Preservation is the best extension builder in South Somerset. No obligation ...
Need to find an Extension Builder near you for all your extension buildering work?
Neil Massey Roofing Contractor provides a local, trusted...
Hraham Evans
Firestone Surfacing Ltd is a trusted extension builder serving customers in South Somerset and the surrounding area. Contact us to today to get a c...
From £22,496
Experienced extension builder ready to quote for your work. Tim Stradling is the best extension builder in South Somerset. No obligation free quote...

A flat roof extension ranges from the cheapest of £21,528 (C O JOYCE LIMITED based in BA16) to the dearest of £23,096 (Neil Massey Roofing Contractor based in BA21), 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 South Somerset by posting a job with HaMuch. We'll send it to extension builders in South Somerset.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near South Somerset | £62 | £270 |
| Build A Flat Roof Extension near Yeovil | £34 | £294 |
| Build A Flat Roof Extension near Bridgwater | £30 | £236 |
| Build A Flat Roof Extension near Taunton | £31 | £242 |
| Build A Flat Roof Extension near Frome | £33 | £263 |
| Build A Flat Roof Extension near Bath | £32 | £249 |
| Build A Flat Roof Extension near Dorchester | £30 | £230 |
| 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 Keynsham | £33 | £251 |
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 - £17,676

Two storey extension - £88,264

Build a timber frame extension - £26,176

Build a swimming pool - £81,176

Single storey extension - £58,520

Side return extension - £43,480

Install an RSJ - £2,376

Outbuilding - £10,176

Build a Mansard loft conversion - £52,176

Loft conversion - £35,400

Build a kitchen extension - £42,176

Hip to gable loft conversion - £42,176

Granny annexe - £87,176

Garden office - £10,176

Convert a Garage - £16,176

Garage - £18,676

Build a flat roof extension - £22,176

Build a dormer loft conversion - £42,176

Concrete foundations - £6,426

Convert a bungalow loft - £29,176

Convert a basement - £39,480