Col-In the Builder is a trusted extension builder serving customers in KA13 and the surrounding area. Contact us to today to get a competitive quot...
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 KA13. Adrian K Wilson Roofing Specialist is a friendly and reliable company based in KA13 w...
From £9,920
Andrew Wright Windows Ltd -Independent Network Installer is a trusted extension builder serving customers in KA13 and the surrounding area. Contact...

Outbuilding costs in KA13 range from the cheapest of £9,920 (Andrew Wright Windows Ltd -Independent Network Installer based in KA11) to the dearest of £10,312 (Unibuild Property Services based in KA20), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in KA13 by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Kilwinning | £33 | £250 |
| Outbuilding near North Ayrshire | £33 | £250 |
| Outbuilding near Irvine | £35 | £253 |
| Outbuilding near Troon | £32 | £241 |
| Outbuilding near Kilmarnock | £36 | £271 |
| Outbuilding near Prestwick | £24 | £180 |
| Outbuilding near South Ayrshire | £25 | £190 |
| Outbuilding near Johnstone | £52 | £381 |
| Outbuilding near Ayr | £25 | £190 |
| Outbuilding near Renfrewshire | £54 | £398 |
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