ADO Builders is a trusted extension builder serving customers in GU2 and the surrounding area. Contact us to today to get a competitive quote for e...
Need to find an Extension Builder near you for all your extension buildering work?
ALDER CONSTRUCTION provides a local, trusted extension b...
Patrick Elson
Paramount Brickwork Limited is an established extension buildering business in GU2. We come highly recommended and provide competitive quotes for y...
Kevin Warne
K P WARNE BUILDERS is an established extension buildering business in GU2. We come highly recommended and provide competitive quotes for your work....
We provide structural engineering design and construction service (D&B) Our dedicated, enthusiastic and highly qualified staff to find the appropri...
Cannon Build Solutions is a local family-run building firm whose strong reliable reputation has been well established in North-West London and Buck...
From £22,320
M &M GENERAL BUILDING is an established extension buildering business in GU2. We come highly recommended and provide competitive quotes for your wo...
From £24,608
Carl Hancock
With well over a decade of marketing and web design experience working for a variety of tradespeople from cleaners through to builders, Websites 4 ...
From £22,376
Martin Ross
Local business for local people... Established in 1980.....so plenty of local knowledge One man business, honest, reliable, hard working ...
From £22,464
Victorian Roofing & Property Maintenance is an established and experienced local extension builder in GU2. Please contact us for a free, no obligat...

A flat roof extension ranges from the cheapest of £21,712 (K P WARNE BUILDERS based in GU7) to the dearest of £24,608 (Websites 4 Trades based in GU7), 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 GU2 by posting a job with HaMuch. We'll send it to extension builders in GU2.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Guildford | £53 | £298 |
| Build A Flat Roof Extension near Woking | £43 | £277 |
| Build A Flat Roof Extension near Ash Vale | £41 | £277 |
| Build A Flat Roof Extension near Waverley | £68 | £313 |
| Build A Flat Roof Extension near Aldershot | £41 | £275 |
| Build A Flat Roof Extension near Farnborough | £41 | £272 |
| Build A Flat Roof Extension near Farnham | £41 | £276 |
| Build A Flat Roof Extension near Camberley | £41 | £282 |
| Build A Flat Roof Extension near New Haw | £43 | £273 |
| Build A Flat Roof Extension near Great Bookham | £42 | £281 |
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 - £18,060

Two storey extension - £88,840

Build a timber frame extension - £26,560

Build a swimming pool - £81,560

Single storey extension - £66,200

Side return extension - £47,800

Install an RSJ - £2,760

Outbuilding - £10,560

Build a Mansard loft conversion - £52,560

Loft conversion - £39,000

Build a kitchen extension - £42,560

Hip to gable loft conversion - £42,560

Granny annexe - £87,560

Garden office - £10,560

Convert a Garage - £16,560

Garage - £19,060

Build a flat roof extension - £22,560

Build a dormer loft conversion - £42,560

Concrete foundations - £6,810

Convert a bungalow loft - £29,560

Convert a basement - £43,800