From £87,032
Col-In the Builder is a trusted extension builder serving customers in Largs and the surrounding area. Contact us to today to get a competitive quo...
From £86,376
Experienced extension builder ready to quote for your work. Glencroft Builders Ltd is the best extension builder in Largs. No obligation free quote...
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 Largs. Adrian K Wilson Roofing Specialist is a friendly and reliable company based in Largs...
From £86,936
H & C JOINERS & BUILDERS LTD is an established and experienced local extension builder in Largs. Please contact us for a free, no obligation quote ...
From £87,288
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,272
LOCHNAGAR CONSTRUCTION LTD is a trusted extension builder serving customers in Largs and the surrounding area. Contact us to today to get a competi...
From £87,104
DRUMKINNON JOINERY & BUILDING is a trusted extension builder serving customers in Largs and the surrounding area. Contact us to today to get a comp...
From £87,136
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
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 £86,376 (Glencroft Builders Ltd based in G81) 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 Largs by posting a job with HaMuch. We will send it to extension builders in Largs who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near North Ayrshire | £33 | £250 |
| Granny Annexe near Kilwinning | £33 | £250 |
| Granny Annexe near Port Glasgow | £32 | £250 |
| Granny Annexe near Greenock | £30 | £243 |
| Granny Annexe near Renfrewshire | £54 | £398 |
| Granny Annexe near Johnstone | £52 | £381 |
| Granny Annexe near Dumbarton | £29 | £232 |
| Granny Annexe near Irvine | £35 | £253 |
| Granny Annexe near Erskine | £34 | £258 |
| Granny Annexe near Paisley | £34 | £259 |
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 - £17,574

Two storey extension - £88,110

Build a timber frame extension - £26,074

Build a swimming pool - £81,074

Single storey extension - £56,472

Side return extension - £42,328

Install an RSJ - £2,274

Outbuilding - £10,074

Build a Mansard loft conversion - £52,074

Loft conversion - £34,440

Build a kitchen extension - £42,074

Hip to gable loft conversion - £42,074

Granny annexe - £87,074

Garden office - £10,074

Convert a Garage - £16,074

Garage - £18,574

Build a flat roof extension - £22,074

Build a dormer loft conversion - £42,074

Concrete foundations - £6,324

Convert a bungalow loft - £29,074

Convert a basement - £38,328