From £87,032
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 £86,744
ABG Resin Bond & Landscaping Ltd have been transforming driveways for many years, laying tarmac and installing block-paving, fence...
From £86,808
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 £87,016
Trusted and professional extension builder in Ayrshire. Experienced in all extension buildering work and keeping within budget and on quote. Sdh Bu...
From £86,648
Glenavon Joinery & Construction Services Ltd is an established extension buildering business in Ayrshire. We come highly recommended and provide co...
From £86,968
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 £87,312
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,992
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 £86,936
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 £87,288
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Building a granny annexe ranges from £86,648 (Glenavon Joinery & Construction Services Ltd based in ML10) 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 Ayrshire by posting a job with HaMuch. We will send it to extension builders in Ayrshire who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Kilmarnock | £36 | £271 |
| Granny Annexe near Irvine | £35 | £253 |
| Granny Annexe near Troon | £32 | £241 |
| Granny Annexe near Prestwick | £24 | £180 |
| Granny Annexe near Kilwinning | £33 | £250 |
| Granny Annexe near North Ayrshire | £33 | £250 |
| Granny Annexe near South Ayrshire | £25 | £190 |
| Granny Annexe near Ayr | £25 | £190 |
| Granny Annexe near Newton Mearns | £35 | £263 |
| Granny Annexe 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