From £86,744
ABG Resin Bond & Landscaping Ltd have been transforming driveways for many years, laying tarmac and installing block-paving, fence...
From £86,936
H & C JOINERS & BUILDERS LTD is an established and experienced local extension builder in KA9. Please contact us for a free, no obligation quote an...
From £87,160
Need to find an Extension Builder near you for all your extension buildering work?
Shire Design & Build Ltd. provides a local, trusted exte...
From £86,904
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,920
Andrew Wright Windows Ltd -Independent Network Installer is a trusted extension builder serving customers in KA9 and the surrounding area. Contact ...
From £86,936
Finn Joinery & Construction is a trusted extension builder serving customers in KA9 and the surrounding area. Contact us to today to get a competit...
From £87,224
Trusted and professional extension builder in KA9. Experienced in all extension buildering work and keeping within budget and on quote. Ayrshire Jo...
From £87,032
Col-In the Builder is a trusted extension builder serving customers in KA9 and the surrounding area. Contact us to today to get a competitive quote...
From £87,112
Trusted and professional extension builder in KA9. Experienced in all extension buildering work and keeping within budget and on quote. Murdoch Con...
From £87,312
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 £86,744 (ABG Resin Bond & Landscaping Ltd based in KA6) 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 KA9 by posting a job with HaMuch. We will send it to extension builders in KA9 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Prestwick | £21 | £161 |
| Granny Annexe near South Ayrshire | £22 | £161 |
| Granny Annexe near Ayr | £22 | £161 |
| Granny Annexe near Troon | £30 | £229 |
| Granny Annexe near Kilmarnock | £30 | £222 |
| Granny Annexe near Irvine | £32 | £235 |
| Granny Annexe near Kilwinning | £29 | £220 |
| Granny Annexe near North Ayrshire | £29 | £218 |
| Granny Annexe near Barrhead | £31 | £223 |
| Granny Annexe near Newton Mearns | £30 | £224 |
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 - £17,528

Two storey extension - £88,042

Build a timber frame extension - £26,028

Build a swimming pool - £81,028

Single storey extension - £55,560

Side return extension - £41,815

Install an RSJ - £2,228

Outbuilding - £10,028

Build a Mansard loft conversion - £52,028

Loft conversion - £34,013

Build a kitchen extension - £42,028

Hip to gable loft conversion - £42,028

Granny annexe - £87,028

Garden office - £10,028

Convert a Garage - £16,028

Garage - £18,528

Build a flat roof extension - £22,028

Build a dormer loft conversion - £42,028

Concrete foundations - £6,278

Convert a bungalow loft - £29,028

Convert a basement - £37,815