From £9,648
Glenavon Joinery & Construction Services Ltd is an established extension buildering business in Castlemilk. We come highly recommended and provide ...
From £10,032
Relax... you have found a reliable extension builder in Castlemilk. P & N Joiners & Builders is a friendly and reliable company based in Castlemilk...
From £10,160
Kenmure Joinery Services are here to help customers who need an Extension Builder in Castlemilk. We offer a competitive rate to complete all your e...
From £9,952
Relax... you have found a reliable extension builder in Castlemilk. DS Builders is a friendly and reliable company based in Castlemilk who consider...
From £10,008
Experienced extension builder ready to quote for your work. Gerry Doyle Building is the best extension builder in Castlemilk. No obligation free qu...
From £9,928
J & J Property Services is an established extension buildering business in Castlemilk. We come highly recommended and provide competitive quotes fo...
From £10,080
Adelphi Design & Construction Ltd is an established and experienced local extension builder in Castlemilk. Please contact us for a free, no obligat...
From £10,296
Need an Extension Builder in Castlemilk? Gman-Joinery & Builders has been helping local clients (20 mile radius) with their extension buildering jo...
From £9,808
Boyle Construction Glasgow Ltd is a trusted extension builder serving customers in Castlemilk and the surrounding area. Contact us to today to get ...
From £10,120
Relax... you have found a reliable extension builder in Castlemilk. Roughcasting is a friendly and reliable company based in Castlemilk who conside...

Garden offices range from the cheapest of £9,648 (Glenavon Joinery & Construction Services Ltd based in ML10) to the dearest of £10,296 (Gman-Joinery & Builders based in G13), but these are only estimates.
The best way to compare costs is to get actual quotes.
Get rates and quotes to build a garden office in Castlemilk by posting a job with HaMuch. We'll send it to extension builders in Castlemilk.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Rutherglen | £34 | £255 |
| Garden Office near Giffnock | £35 | £260 |
| Garden Office near Cambuslang | £34 | £250 |
| Garden Office near East Kilbride | £34 | £247 |
| Garden Office near Blantyre | £33 | £240 |
| Garden Office near Glasgow | £35 | £259 |
| Garden Office near Newton Mearns | £35 | £263 |
| Garden Office near Viewpark | £31 | £233 |
| Garden Office near Barrhead | £35 | £255 |
| Garden Office near Bishopbriggs | £35 | £262 |
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