Bristol Building Co.Ltd is an established and experienced local extension builder in Cotham. Please contact us for a free, no obligation quote and ...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Gary
GARY G BOND LIMITED are here to help customers who need an Extension Builder in Cotham. We offer a competitive rate to complete all your extension ...
Sarah Godwin
24 7 BUILDING SOLUTIONS LTD is a trusted extension builder serving customers in Cotham and the surrounding area. Contact us to today to get a compe...
HYATT BUILDING SERVICES are here to help customers who need an Extension Builder in Cotham. We offer a competitive rate to complete all your extens...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Looking for an Extension Builder near Cotham for all your extension buildering jobs?
Piotr Building & Decorations pro...
Trusted and professional extension builder in Cotham. Experienced in all extension buildering work and keeping within budget and on quote. KDS Buil...
Need an Extension Builder in Cotham? Mucha Construcion has been helping local clients (20 mile radius) with their extension buildering jobs for man...

A flat roof extension ranges from the cheapest of £21,824 (24 7 BUILDING SOLUTIONS LTD based in BS16) to the dearest of £22,544 (GARY G BOND LIMITED based in BS16), 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 Cotham by posting a job with HaMuch. We'll send it to extension builders in Cotham.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Bristol | £33 | £255 |
| Build A Flat Roof Extension near Clifton | £33 | £255 |
| Build A Flat Roof Extension near Kingswood | £34 | £257 |
| Build A Flat Roof Extension near Bradley Stoke | £34 | £259 |
| Build A Flat Roof Extension near Keynsham | £33 | £251 |
| Build A Flat Roof Extension near Portishead | £33 | £247 |
| Build A Flat Roof Extension near South Gloucestershire | £34 | £260 |
| Build A Flat Roof Extension near Yate | £34 | £263 |
| Build A Flat Roof Extension near North Somerset | £32 | £245 |
| Build A Flat Roof Extension near Clevedon | £32 | £243 |
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 - £17,538

Two storey extension - £88,058

Build a timber frame extension - £26,038

Build a swimming pool - £81,038

Single storey extension - £55,768

Side return extension - £41,932

Install an RSJ - £2,238

Outbuilding - £10,038

Build a Mansard loft conversion - £52,038

Loft conversion - £34,110

Build a kitchen extension - £42,038

Hip to gable loft conversion - £42,038

Granny annexe - £87,038

Garden office - £10,038

Convert a Garage - £16,038

Garage - £18,538

Build a flat roof extension - £22,038

Build a dormer loft conversion - £42,038

Concrete foundations - £6,288

Convert a bungalow loft - £29,038

Convert a basement - £37,932