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Select your affordable G77 extension builder
Boyle Construction Glasgow Ltd is a trusted extension builder serving customers in G77 and the surrounding area. Contact us to today to get a compe...
From £87,184
Our building services company JB All Trades Ltd has thirty-three years experience and we have been helping customers in Glasgow and the surrounding...

Building a granny annexe ranges from £86,808 (Boyle Construction Glasgow Ltd based in G77) to £87,184 (JB All Trades Ltd based in G45), 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 G77 by posting a job with HaMuch. We will send it to extension builders in G77 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Newton Mearns | £35 | £263 |
| Granny Annexe near Giffnock | £35 | £260 |
| Granny Annexe near Barrhead | £35 | £255 |
| Granny Annexe near Rutherglen | £34 | £255 |
| Granny Annexe near Paisley | £34 | £259 |
| Granny Annexe near East Kilbride | £34 | £247 |
| Granny Annexe near Glasgow | £35 | £259 |
| Granny Annexe near Cambuslang | £34 | £250 |
| Granny Annexe near Renfrew | £35 | £264 |
| Granny Annexe near Johnstone | £35 | £276 |
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 - £17,496

Two storey extension - £87,994

Build a timber frame extension - £25,996

Build a swimming pool - £80,996

Single storey extension - £54,920

Side return extension - £41,455

Install an RSJ - £2,196

Outbuilding - £9,996

Build a Mansard loft conversion - £51,996

Loft conversion - £33,713

Build a kitchen extension - £41,996

Hip to gable loft conversion - £41,996

Granny annexe - £86,996

Garden office - £9,996

Convert a Garage - £15,996

Garage - £18,496

Build a flat roof extension - £21,996

Build a dormer loft conversion - £41,996

Concrete foundations - £6,246

Convert a bungalow loft - £28,996

Convert a basement - £37,455