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Stevenston, KA20
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Col-In the Builder is a trusted extension builder serving customers in Stevenston and the surrounding area. Contact us to today to get a competitiv...
Relax... you have found a reliable extension builder in Stevenston. Adrian K Wilson Roofing Specialist is a friendly and reliable company based in ...
From £86,920
Andrew Wright Windows Ltd -Independent Network Installer is a trusted extension builder serving customers in Stevenston and the surrounding area. C...

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 Stevenston by posting a job with HaMuch. We will send it to extension builders in Stevenston who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near North Ayrshire | £33 | £250 |
| Granny Annexe near Kilwinning | £33 | £250 |
| Granny Annexe near Irvine | £35 | £253 |
| Granny Annexe near Troon | £32 | £241 |
| Granny Annexe near Kilmarnock | £36 | £271 |
| Granny Annexe near Prestwick | £24 | £180 |
| Granny Annexe near South Ayrshire | £25 | £190 |
| Granny Annexe near Ayr | £25 | £190 |
| Granny Annexe near Johnstone | £35 | £276 |
| Granny Annexe near Renfrewshire | £35 | £278 |
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 - £17,564

Two storey extension - £88,096

Build a timber frame extension - £26,064

Build a swimming pool - £81,064

Single storey extension - £56,280

Side return extension - £42,220

Install an RSJ - £2,264

Outbuilding - £10,064

Build a Mansard loft conversion - £52,064

Loft conversion - £34,350

Build a kitchen extension - £42,064

Hip to gable loft conversion - £42,064

Granny annexe - £87,064

Garden office - £10,064

Convert a Garage - £16,064

Garage - £18,564

Build a flat roof extension - £22,064

Build a dormer loft conversion - £42,064

Concrete foundations - £6,314

Convert a bungalow loft - £29,064

Convert a basement - £38,220