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Need to find an Extension Builder near you for all your extension buildering work?
OAK HOUSE BESPOKE BUILDERS provides a local, trusted ext...
Russell Worcester
R & R Roofing Guildford are here to help customers who need an Extension Builder in Great Bookham. We offer a competitive rate to complete all your...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need an Extension Builder in Great Bookham? FLUID CONSTRUCTION has been helping local clients (10 mile radius) with their extension buildering jobs...
Mick Winn
All of our work is guaranteed and covered by public liability and third party insurance for £5 million, giving our customers absolute peace of min...
Trusted and professional extension builder in Great Bookham. Experienced in all extension buildering work and keeping within budget and on quote. C...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Vlad Potapov
New build, complete refurbishment and renovation service. We provide a quality turnkey service in Central London , South West London
"Vpbuildesign installed a kitchen and bathroom at my property and did an absolutely excellent job. I could not have asked for better and would definitely recommend giving them the opportunity to complete any building work required as I found the work to be exceptional." - reviewed 21/06/23, LUCAS REID
Garage Door Repairs is an established extension buildering business in Great Bookham. We come highly recommended and provide competitive quotes for...

A flat roof extension ranges from the cheapest of £21,976 (R & R Roofing Guildford based in KT14) to the dearest of £22,800 (OAK HOUSE BESPOKE BUILDERS based in KT9), 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 Great Bookham by posting a job with HaMuch. We'll send it to extension builders in Great Bookham.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Great Bookham | £42 | £281 |
| Build A Flat Roof Extension near Epsom | £44 | £275 |
| Build A Flat Roof Extension near Tadworth | £41 | £271 |
| Build A Flat Roof Extension near Esher | £43 | £274 |
| Build A Flat Roof Extension near Elmbridge | £44 | £278 |
| Build A Flat Roof Extension near Walton-on-Thames | £43 | £277 |
| Build A Flat Roof Extension near Reigate & Banstead | £41 | £271 |
| Build A Flat Roof Extension near Ewell | £44 | £275 |
| Build A Flat Roof Extension near New Haw | £43 | £273 |
| Build A Flat Roof Extension near Reigate | £40 | £270 |
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 - £17,803

Two storey extension - £88,455

Build a timber frame extension - £26,303

Build a swimming pool - £81,303

Single storey extension - £61,064

Side return extension - £44,911

Install an RSJ - £2,503

Outbuilding - £10,303

Build a Mansard loft conversion - £52,303

Loft conversion - £36,593

Build a kitchen extension - £42,303

Hip to gable loft conversion - £42,303

Granny annexe - £87,303

Garden office - £10,303

Convert a Garage - £16,303

Garage - £18,803

Build a flat roof extension - £22,303

Build a dormer loft conversion - £42,303

Concrete foundations - £6,553

Convert a bungalow loft - £29,303

Convert a basement - £40,911