R S Construction (Surrey) is an established extension buildering business in GU27. We come highly recommended and provide competitive quotes for yo...
Casa Garage Doors is an established extension buildering business in GU27. We come highly recommended and provide competitive quotes for your work....
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £22,296
Charles Hardman
Urban build are here to help customers who need an Extension Builder in GU27. We offer a competitive rate to complete all your extension buildering...
From £21,968
Experienced extension builder ready to quote for your work. HW&C CONSTRUCTION is the best extension builder in GU27. No obligation free quotes and ...

A flat roof extension ranges from the cheapest of £21,968 (HW&C CONSTRUCTION based in GU27) to the dearest of £22,296 (Urban build based in GU27), 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 GU27 by posting a job with HaMuch. We'll send it to extension builders in GU27.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Waverley | £68 | £313 |
| Build A Flat Roof Extension near Farnham | £41 | £276 |
| Build A Flat Roof Extension near East Hampshire | £38 | £258 |
| Build A Flat Roof Extension near Aldershot | £41 | £275 |
| Build A Flat Roof Extension near Guildford | £53 | £298 |
| Build A Flat Roof Extension near Ash Vale | £41 | £277 |
| Build A Flat Roof Extension near Fleet | £41 | £270 |
| Build A Flat Roof Extension near Farnborough | £41 | £272 |
| Build A Flat Roof Extension near Chichester | £34 | £242 |
| Build A Flat Roof Extension near Horsham | £38 | £265 |
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 - £17,649

Two storey extension - £88,223

Build a timber frame extension - £26,149

Build a swimming pool - £81,149

Single storey extension - £57,976

Side return extension - £43,174

Install an RSJ - £2,349

Outbuilding - £10,149

Build a Mansard loft conversion - £52,149

Loft conversion - £35,145

Build a kitchen extension - £42,149

Hip to gable loft conversion - £42,149

Granny annexe - £87,149

Garden office - £10,149

Convert a Garage - £16,149

Garage - £18,649

Build a flat roof extension - £22,149

Build a dormer loft conversion - £42,149

Concrete foundations - £6,399

Convert a bungalow loft - £29,149

Convert a basement - £39,174