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Antonio Cano
H & C JOINERS & BUILDERS LTD is an established and experienced local extension builder in Irvine. Please contact us for a free, no obligation quote...
Irvine, KA12
Col-In the Builder is a trusted extension builder serving customers in Irvine and the surrounding area. Contact us to today to get a competitive qu...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Relax... you have found a reliable extension builder in Irvine. Adrian K Wilson Roofing Specialist is a friendly and reliable company based in Irvi...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £21,920
Irvine, KA11
Andrew Wright Windows Ltd -Independent Network Installer is a trusted extension builder serving customers in Irvine and the surrounding area. Conta...

A flat roof extension ranges from the cheapest of £21,920 (Andrew Wright Windows Ltd -Independent Network Installer based in KA11) to the dearest of £22,312 (Unibuild Property Services based in KA20), 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 Irvine by posting a job with HaMuch. We'll send it to extension builders in Irvine.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Irvine | £35 | £253 |
| Build A Flat Roof Extension near Kilwinning | £33 | £250 |
| Build A Flat Roof Extension near Troon | £32 | £241 |
| Build A Flat Roof Extension near Kilmarnock | £36 | £271 |
| Build A Flat Roof Extension near North Ayrshire | £33 | £250 |
| Build A Flat Roof Extension near Prestwick | £24 | £180 |
| Build A Flat Roof Extension near South Ayrshire | £25 | £190 |
| Build A Flat Roof Extension near Ayr | £25 | £190 |
| Build A Flat Roof Extension near Barrhead | £35 | £255 |
| Build A Flat Roof Extension near Johnstone | £35 | £276 |
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 - £17,580

Two storey extension - £88,120

Build a timber frame extension - £26,080

Build a swimming pool - £81,080

Single storey extension - £56,600

Side return extension - £42,400

Install an RSJ - £2,280

Outbuilding - £10,080

Build a Mansard loft conversion - £52,080

Loft conversion - £34,500

Build a kitchen extension - £42,080

Hip to gable loft conversion - £42,080

Granny annexe - £87,080

Garden office - £10,080

Convert a Garage - £16,080

Garage - £18,580

Build a flat roof extension - £22,080

Build a dormer loft conversion - £42,080

Concrete foundations - £6,330

Convert a bungalow loft - £29,080

Convert a basement - £38,400