From £86,648
Glenavon Joinery & Construction Services Ltd is an established extension buildering business in G41. We come highly recommended and provide competi...
From £87,032
Relax... you have found a reliable extension builder in G41. P & N Joiners & Builders is a friendly and reliable company based in G41 who consider ...
From £87,160
Kenmure Joinery Services are here to help customers who need an Extension Builder in G41. We offer a competitive rate to complete all your extensio...
From £86,952
Relax... you have found a reliable extension builder in G41. DS Builders is a friendly and reliable company based in G41 who consider no job as too...
From £87,008
Experienced extension builder ready to quote for your work. Gerry Doyle Building is the best extension builder in G41. No obligation free quotes an...
From £86,928
J & J Property Services is an established extension buildering business in G41. We come highly recommended and provide competitive quotes for your ...
From £87,080
Adelphi Design & Construction Ltd is an established and experienced local extension builder in G41. Please contact us for a free, no obligation quo...
From £87,296
Need an Extension Builder in G41? Gman-Joinery & Builders has been helping local clients (20 mile radius) with their extension buildering jobs for ...
From £86,808
Boyle Construction Glasgow Ltd is a trusted extension builder serving customers in G41 and the surrounding area. Contact us to today to get a compe...
From £87,120
Relax... you have found a reliable extension builder in G41. Roughcasting is a friendly and reliable company based in G41 who consider no job as to...

Building a granny annexe ranges from £86,648 (Glenavon Joinery & Construction Services Ltd based in ML10) 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 G41 by posting a job with HaMuch. We will send it to extension builders in G41 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Glasgow | £35 | £259 |
| Granny Annexe near Giffnock | £35 | £260 |
| Granny Annexe near Rutherglen | £34 | £255 |
| Granny Annexe near Cambuslang | £34 | £250 |
| Granny Annexe near Newton Mearns | £35 | £263 |
| Granny Annexe near Renfrew | £35 | £263 |
| Granny Annexe near Paisley | £34 | £259 |
| Granny Annexe near Bishopbriggs | £35 | £262 |
| Granny Annexe near Barrhead | £35 | £255 |
| Granny Annexe near Bearsden | £34 | £263 |
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 - £17,503

Two storey extension - £88,005

Build a timber frame extension - £26,003

Build a swimming pool - £81,003

Single storey extension - £55,064

Side return extension - £41,536

Install an RSJ - £2,203

Outbuilding - £10,003

Build a Mansard loft conversion - £52,003

Loft conversion - £33,780

Build a kitchen extension - £42,003

Hip to gable loft conversion - £42,003

Granny annexe - £87,003

Garden office - £10,003

Convert a Garage - £16,003

Garage - £18,503

Build a flat roof extension - £22,003

Build a dormer loft conversion - £42,003

Concrete foundations - £6,253

Convert a bungalow loft - £29,003

Convert a basement - £37,536