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Select your affordable Kilwinning extension builder
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 Kilwinning and the surrounding area. Contact us to today to get a competitiv...
Relax... you have found a reliable extension builder in Kilwinning. Adrian K Wilson Roofing Specialist is a friendly and reliable company based in ...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £9,920
Andrew Wright Windows Ltd -Independent Network Installer is a trusted extension builder serving customers in Kilwinning and the surrounding area. C...

Outbuilding costs in Kilwinning 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 Kilwinning 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 | £35 | £276 |
| Outbuilding near Ayr | £25 | £190 |
| Outbuilding 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 - £17,609

Two storey extension - £88,163

Build a timber frame extension - £26,109

Build a swimming pool - £81,109

Single storey extension - £57,176

Side return extension - £42,724

Install an RSJ - £2,309

Outbuilding - £10,109

Build a Mansard loft conversion - £52,109

Loft conversion - £34,770

Build a kitchen extension - £42,109

Hip to gable loft conversion - £42,109

Granny annexe - £87,109

Garden office - £10,109

Convert a Garage - £16,109

Garage - £18,609

Build a flat roof extension - £22,109

Build a dormer loft conversion - £42,109

Concrete foundations - £6,359

Convert a bungalow loft - £29,109

Convert a basement - £38,724