From £10,032
Col-In the Builder is a trusted extension builder serving customers in Ayrshire and the surrounding area. Contact us to today to get a competitive ...
From £9,744
ABG Resin Bond & Landscaping Ltd have been transforming driveways for many years, laying tarmac and installing block-paving, fence...
From £9,808
Boyle Construction Glasgow Ltd is a trusted extension builder serving customers in Ayrshire and the surrounding area. Contact us to today to get a ...
From £10,016
Trusted and professional extension builder in Ayrshire. Experienced in all extension buildering work and keeping within budget and on quote. Sdh Bu...
From £9,648
Glenavon Joinery & Construction Services Ltd is an established extension buildering business in Ayrshire. We come highly recommended and provide co...
From £9,968
RADICAL CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in Ayrshire. We offer a competitive rate to complete all your...
From £10,312
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £9,992
Relax... you have found a reliable extension builder in Ayrshire. Adrian K Wilson Roofing Specialist is a friendly and reliable company based in Ay...
From £9,936
H & C JOINERS & BUILDERS LTD is an established and experienced local extension builder in Ayrshire. Please contact us for a free, no obligation quo...
From £10,288
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Garden offices range from the cheapest of £9,648 (Glenavon Joinery & Construction Services Ltd based in ML10) to the dearest of £10,312 (Unibuild Property Services based in KA20), but these are only estimates.
The best way to compare costs is to get actual quotes.
Get rates and quotes to build a garden office in Ayrshire by posting a job with HaMuch. We'll send it to extension builders in Ayrshire.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Kilmarnock | £36 | £271 |
| Garden Office near Irvine | £35 | £253 |
| Garden Office near Troon | £32 | £241 |
| Garden Office near Prestwick | £24 | £180 |
| Garden Office near Kilwinning | £33 | £250 |
| Garden Office near North Ayrshire | £33 | £250 |
| Garden Office near South Ayrshire | £25 | £190 |
| Garden Office near Ayr | £25 | £190 |
| Garden Office near Newton Mearns | £35 | £263 |
| Garden Office near Barrhead | £35 | £255 |
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 - £17,474

Two storey extension - £87,962

Build a timber frame extension - £25,974

Build a swimming pool - £80,974

Single storey extension - £54,488

Side return extension - £41,212

Install an RSJ - £2,174

Outbuilding - £9,974

Build a Mansard loft conversion - £51,974

Loft conversion - £33,510

Build a kitchen extension - £41,974

Hip to gable loft conversion - £41,974

Granny annexe - £86,974

Garden office - £9,974

Convert a Garage - £15,974

Garage - £18,474

Build a flat roof extension - £21,974

Build a dormer loft conversion - £41,974

Concrete foundations - £6,224

Convert a bungalow loft - £28,974

Convert a basement - £37,212