From £22,080
Need an Extension Builder in GU35? A & J Roofing (Haslemere) Ltd has been helping local clients (20 mile radius) with their extension buildering jo...
From £22,832
John Shea
Experienced extension builder ready to quote for your work. CANADA BUILDERS & ROOFING LTD is the best extension builder in GU35. No obligation free...
From £21,968
Need an Extension Builder in GU35? Green Ridge Developments has been helping local clients (20 mile radius) with their extension buildering jobs fo...

A flat roof extension ranges from the cheapest of £21,968 (Green Ridge Developments based in GU35) to the dearest of £22,832 (CANADA BUILDERS & ROOFING LTD based in GU35), 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 GU35 by posting a job with HaMuch. We'll send it to extension builders in GU35.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near East Hampshire | £38 | £258 |
| Build A Flat Roof Extension near Farnham | £41 | £276 |
| Build A Flat Roof Extension near Waverley | £68 | £313 |
| Build A Flat Roof Extension near Aldershot | £41 | £275 |
| Build A Flat Roof Extension near Fleet | £41 | £270 |
| Build A Flat Roof Extension near Ash Vale | £41 | £277 |
| Build A Flat Roof Extension near Farnborough | £41 | £272 |
| Build A Flat Roof Extension near Guildford | £53 | £298 |
| Build A Flat Roof Extension near Basingstoke | £39 | £274 |
| Build A Flat Roof Extension near Camberley | £41 | £282 |
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 - £17,793

Two storey extension - £88,440

Build a timber frame extension - £26,293

Build a swimming pool - £81,293

Single storey extension - £60,867

Side return extension - £44,800

Install an RSJ - £2,493

Outbuilding - £10,293

Build a Mansard loft conversion - £52,293

Loft conversion - £36,500

Build a kitchen extension - £42,293

Hip to gable loft conversion - £42,293

Granny annexe - £87,293

Garden office - £10,293

Convert a Garage - £16,293

Garage - £18,793

Build a flat roof extension - £22,293

Build a dormer loft conversion - £42,293

Concrete foundations - £6,543

Convert a bungalow loft - £29,293

Convert a basement - £40,800