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Trusted and professional extension builder in Kilmarnock. Experienced in all extension buildering work and keeping within budget and on quote. Murd...
Antonio Cano
H & C JOINERS & BUILDERS LTD is an established and experienced local extension builder in Kilmarnock. Please contact us for a free, no obligation q...
Col-In the Builder is a trusted extension builder serving customers in Kilmarnock and the surrounding area. Contact us to today to get a competitiv...
Andy Gibson
ABG Resin Bond & Landscaping Ltd have been transforming driveways for many years, laying tarmac and installing block-paving, fence...
Kilmarnock, KA3
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 Kilmarnock and the surrounding area. C...

Garden offices range from the cheapest of £9,744 (ABG Resin Bond & Landscaping Ltd based in KA6) to the dearest of £10,288 (BMB BUILDERS based in KA3), 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 Kilmarnock by posting a job with HaMuch. We'll send it to extension builders in Kilmarnock.
| 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 - £17,505

Two storey extension - £88,008

Build a timber frame extension - £26,005

Build a swimming pool - £81,005

Single storey extension - £55,107

Side return extension - £41,560

Install an RSJ - £2,205

Outbuilding - £10,005

Build a Mansard loft conversion - £52,005

Loft conversion - £33,800

Build a kitchen extension - £42,005

Hip to gable loft conversion - £42,005

Granny annexe - £87,005

Garden office - £10,005

Convert a Garage - £16,005

Garage - £18,505

Build a flat roof extension - £22,005

Build a dormer loft conversion - £42,005

Concrete foundations - £6,255

Convert a bungalow loft - £29,005

Convert a basement - £37,560