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 £86,992
Relax... you have found a reliable extension builder in PA12. Adrian K Wilson Roofing Specialist is a friendly and reliable company based in PA12 w...
From £87,080
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,240
Abbey Services (Scotland) Ltd is a trusted extension builder serving customers in PA12 and the surrounding area. Contact us to today to get a compe...
From £87,184
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...
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 £87,312
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,376
Experienced extension builder ready to quote for your work. Glencroft Builders Ltd is the best extension builder in PA12. No obligation free quotes...
From £87,272
LOCHNAGAR CONSTRUCTION LTD is a trusted extension builder serving customers in PA12 and the surrounding area. Contact us to today to get a competit...

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 PA12 by posting a job with HaMuch. We will send it to extension builders in PA12 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Renfrewshire | £54 | £398 |
| Granny Annexe near Johnstone | £52 | £381 |
| Granny Annexe near Barrhead | £35 | £257 |
| Granny Annexe near Paisley | £34 | £259 |
| Granny Annexe near Greenock | £30 | £243 |
| Granny Annexe near Port Glasgow | £32 | £250 |
| Granny Annexe near Erskine | £34 | £258 |
| Granny Annexe near Kilwinning | £33 | £249 |
| Granny Annexe near Renfrew | £35 | £264 |
| Granny Annexe near Dumbarton | £29 | £232 |
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 - £17,617

Two storey extension - £88,175

Build a timber frame extension - £26,117

Build a swimming pool - £81,117

Single storey extension - £57,336

Side return extension - £42,814

Install an RSJ - £2,317

Outbuilding - £10,117

Build a Mansard loft conversion - £52,117

Loft conversion - £34,845

Build a kitchen extension - £42,117

Hip to gable loft conversion - £42,117

Granny annexe - £87,117

Garden office - £10,117

Convert a Garage - £16,117

Garage - £18,617

Build a flat roof extension - £22,117

Build a dormer loft conversion - £42,117

Concrete foundations - £6,367

Convert a bungalow loft - £29,117

Convert a basement - £38,814