Andy Gibson
ABG Resin Bond & Landscaping Ltd have been transforming driveways for many years, laying tarmac and installing block-paving, fence...
Antonio Cano
H & C JOINERS & BUILDERS LTD is an established and experienced local extension builder in Prestwick. Please contact us for a free, no obligation qu...
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 Prestwick and the surrounding area. Co...

Building a granny annexe ranges from £86,744 (ABG Resin Bond & Landscaping Ltd based in KA6) to £87,160 (Shire Design & Build Ltd. based in KA6), 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 Prestwick by posting a job with HaMuch. We will send it to extension builders in Prestwick who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Prestwick | £24 | £180 |
| Granny Annexe near South Ayrshire | £25 | £190 |
| Granny Annexe near Ayr | £25 | £190 |
| Granny Annexe near Troon | £32 | £241 |
| Granny Annexe near Kilmarnock | £36 | £271 |
| Granny Annexe near Irvine | £35 | £253 |
| Granny Annexe near Kilwinning | £33 | £250 |
| Granny Annexe near North Ayrshire | £33 | £250 |
| Granny Annexe near Barrhead | £35 | £255 |
| Granny Annexe near Newton Mearns | £35 | £263 |
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 - £17,433

Two storey extension - £87,899

Build a timber frame extension - £25,933

Build a swimming pool - £80,933

Single storey extension - £53,656

Side return extension - £40,744

Install an RSJ - £2,133

Outbuilding - £9,933

Build a Mansard loft conversion - £51,933

Loft conversion - £33,120

Build a kitchen extension - £41,933

Hip to gable loft conversion - £41,933

Granny annexe - £86,933

Garden office - £9,933

Convert a Garage - £15,933

Garage - £18,433

Build a flat roof extension - £21,933

Build a dormer loft conversion - £41,933

Concrete foundations - £6,183

Convert a bungalow loft - £28,933

Convert a basement - £36,744