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 £86,808
Boyle Construction Glasgow Ltd is a trusted extension builder serving customers in Barrhead and the surrounding area. Contact us to today to get a ...
From £87,240
Abbey Services (Scotland) Ltd is a trusted extension builder serving customers in Barrhead and the surrounding area. Contact us to today to get a c...
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 £87,136
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,784
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,272
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,664
Need an Extension Builder in Barrhead? J & S Autos (Glasgow) Ltd has been helping local clients (20 mile radius) with their extension buildering jo...
From £86,944
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 £86,664 (J & S Autos (Glasgow) Ltd based in G51) to £87,312 (KFM Developments LTD based in G52), 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 Barrhead by posting a job with HaMuch. We will send it to extension builders in Barrhead who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Barrhead | £35 | £257 |
| Granny Annexe near Newton Mearns | £34 | £262 |
| Granny Annexe near Paisley | £34 | £259 |
| Granny Annexe near Giffnock | £35 | £260 |
| Granny Annexe near Johnstone | £52 | £381 |
| Granny Annexe near Renfrew | £35 | £264 |
| Granny Annexe near Renfrewshire | £54 | £398 |
| Granny Annexe near Erskine | £34 | £258 |
| Granny Annexe near Glasgow | £34 | £258 |
| Granny Annexe near Rutherglen | £34 | £254 |
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 - £17,542

Two storey extension - £88,064

Build a timber frame extension - £26,042

Build a swimming pool - £81,042

Single storey extension - £55,848

Side return extension - £41,977

Install an RSJ - £2,242

Outbuilding - £10,042

Build a Mansard loft conversion - £52,042

Loft conversion - £34,148

Build a kitchen extension - £42,042

Hip to gable loft conversion - £42,042

Granny annexe - £87,042

Garden office - £10,042

Convert a Garage - £16,042

Garage - £18,542

Build a flat roof extension - £22,042

Build a dormer loft conversion - £42,042

Concrete foundations - £6,292

Convert a bungalow loft - £29,042

Convert a basement - £37,977