From £22,104
NJ Berriman Building Contracto is an established and experienced local extension builder in GU30. Please contact us for a free, no obligation quote...
From £21,968
Experienced extension builder ready to quote for your work. HW&C CONSTRUCTION is the best extension builder in GU30. No obligation free quotes and ...
From £22,024
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £22,296
Urban build are here to help customers who need an Extension Builder in GU30. We offer a competitive rate to complete all your extension buildering...
From £21,968
Need an Extension Builder in GU30? Green Ridge Developments has been helping local clients (20 mile radius) with their extension buildering jobs fo...
From £22,832
Experienced extension builder ready to quote for your work. CANADA BUILDERS & ROOFING LTD is the best extension builder in GU30. No obligation free...
From £22,264
Experienced extension builder ready to quote for your work. Trad Roofing is the best extension builder in GU30. No obligation free quotes and many ...
From £21,976
Relax... you have found a reliable extension builder in GU30. Design & Construction Support Ltd is a friendly and reliable company based in GU30 wh...
From £21,888
Trusted and professional extension builder in GU30. Experienced in all extension buildering work and keeping within budget and on quote. M Way Buil...
From £22,288
Casa Garage Doors is an established extension buildering business in GU30. We come highly recommended and provide competitive quotes for your work....

A flat roof extension ranges from the cheapest of £21,888 (M Way Building Services based in GU33) 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 GU30 by posting a job with HaMuch. We'll send it to extension builders in GU30.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near East Hampshire | £38 | £258 |
| Build A Flat Roof Extension near Waverley | £68 | £313 |
| Build A Flat Roof Extension near Farnham | £41 | £276 |
| Build A Flat Roof Extension near Aldershot | £41 | £275 |
| 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 Horndean | £35 | £253 |
| Build A Flat Roof Extension near Guildford | £53 | £298 |
| Build A Flat Roof Extension near Farnborough | £41 | £273 |
| Build A Flat Roof Extension near Waterlooville | £36 | £250 |
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 - £17,661

Two storey extension - £88,241

Build a timber frame extension - £26,161

Build a swimming pool - £81,161

Single storey extension - £58,216

Side return extension - £43,309

Install an RSJ - £2,361

Outbuilding - £10,161

Build a Mansard loft conversion - £52,161

Loft conversion - £35,258

Build a kitchen extension - £42,161

Hip to gable loft conversion - £42,161

Granny annexe - £87,161

Garden office - £10,161

Convert a Garage - £16,161

Garage - £18,661

Build a flat roof extension - £22,161

Build a dormer loft conversion - £42,161

Concrete foundations - £6,411

Convert a bungalow loft - £29,161

Convert a basement - £39,309