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...
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...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,920
Irvine, KA11
Andrew Wright Windows Ltd -Independent Network Installer is a trusted extension builder serving customers in Irvine and the surrounding area. Conta...

Building a granny annexe ranges from £86,920 (Andrew Wright Windows Ltd -Independent Network Installer based in KA11) to £87,312 (Unibuild Property Services based in KA20), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in Irvine by posting a job with HaMuch. We will send it to extension builders in Irvine who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Irvine | £35 | £253 |
| Granny Annexe near Kilwinning | £33 | £250 |
| Granny Annexe near Troon | £32 | £241 |
| Granny Annexe near Kilmarnock | £36 | £271 |
| Granny Annexe near North Ayrshire | £33 | £250 |
| Granny Annexe near Prestwick | £24 | £180 |
| Granny Annexe near South Ayrshire | £25 | £190 |
| Granny Annexe near Ayr | £25 | £190 |
| Granny Annexe near Barrhead | £35 | £255 |
| Granny Annexe near Johnstone | £52 | £381 |
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