Adelphi Design & Construction Ltd is an established and experienced local extension builder in Barrhead. Please contact us for a free, no obligatio...
Need an Extension Builder in Barrhead? Gman-Joinery & Builders has been helping local clients (20 mile radius) with their extension buildering jobs...
Boyle Construction Glasgow Ltd is a trusted extension builder serving customers in Barrhead and the surrounding area. Contact us to today to get a ...
RADICAL CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in Barrhead. We offer a competitive rate to complete all your...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
LAKE BUILDERS LTD is an established extension buildering business in Barrhead. We come highly recommended and provide competitive quotes for your w...
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 £87,192
If you’ve been searching for ‘Builder’s near me’ then look no further than KB Contractors . As local Builders, we’ve established...
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...
"Great and reliable service, honest advice and competitive on price" - GLASGOW,reviewed 03/08/17, DAVID SMITH
From £87,080
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 £86,808 (Boyle Construction Glasgow Ltd based in G77) to £87,296 (Gman-Joinery & Builders based in G13), 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 | £255 |
| Granny Annexe near Newton Mearns | £35 | £263 |
| 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 | £35 | £259 |
| Granny Annexe near Rutherglen | £34 | £255 |
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 - £17,611

Two storey extension - £88,167

Build a timber frame extension - £26,111

Build a swimming pool - £81,111

Single storey extension - £57,224

Side return extension - £42,751

Install an RSJ - £2,311

Outbuilding - £10,111

Build a Mansard loft conversion - £52,111

Loft conversion - £34,793

Build a kitchen extension - £42,111

Hip to gable loft conversion - £42,111

Granny annexe - £87,111

Garden office - £10,111

Convert a Garage - £16,111

Garage - £18,611

Build a flat roof extension - £22,111

Build a dormer loft conversion - £42,111

Concrete foundations - £6,361

Convert a bungalow loft - £29,111

Convert a basement - £38,751