From £22,184
Our building services company JB All Trades Ltd has thirty-three years experience and we have been helping customers in Glasgow and the surrounding...
From £22,256
We are a full design & build consultancy offering project management services targeting small to medium residential projects such as kitchen & bath...
From £21,968
RADICAL CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in Castlemilk. We offer a competitive rate to complete all yo...
From £21,952
Relax... you have found a reliable extension builder in Castlemilk. Green Olive Projects LTD is a friendly and reliable company based in Castlemilk...
From £21,784
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of work in Castlem...
From £21,816
Trusted and professional extension builder in Castlemilk. Experienced in all work and keeping within budget and on quote. Reid Builders have many ...
From £22,016
Trusted and professional extension builder in Castlemilk. Experienced in all work and keeping within budget and on quote. Sdh Builders & Joiners h...
From £22,280
Relax... you have found a reliable extension builder in Castlemilk. Arkiton is a friendly and reliable company based in Castlemilk who consider no ...
From £21,952
Arkiton is one of the first combined architecture and construction companies in Glasgow, founded in 2017 by our in-house architect. Our aim is to s...

A flat roof extension ranges from the cheapest of £21,392 (Premier Roofing based in G32) to the dearest of £22,280 (Arkiton based in G1), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in Castlemilk by posting a job with HaMuch. We'll send it to extension builders in Castlemilk.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Rutherglen | £29 | £218 |
| Build A Flat Roof Extension near Giffnock | £30 | £223 |
| Build A Flat Roof Extension near Cambuslang | £29 | £213 |
| Build A Flat Roof Extension near East Kilbride | £29 | £207 |
| Build A Flat Roof Extension near Blantyre | £28 | £207 |
| Build A Flat Roof Extension near Glasgow | £29 | £221 |
| Build A Flat Roof Extension near Newton Mearns | £30 | £224 |
| Build A Flat Roof Extension near Viewpark | £27 | £202 |
| Build A Flat Roof Extension near Barrhead | £31 | £223 |
| Build A Flat Roof Extension near Bishopbriggs | £30 | £223 |
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 - £17,460

Two storey extension - £87,940

Build a timber frame extension - £25,960

Build a swimming pool - £80,960

Single storey extension - £54,200

Side return extension - £41,050

Install an RSJ - £2,160

Outbuilding - £9,960

Build a Mansard loft conversion - £51,960

Loft conversion - £33,375

Build a kitchen extension - £41,960

Hip to gable loft conversion - £41,960

Granny annexe - £86,960

Garden office - £9,960

Convert a Garage - £15,960

Garage - £18,460

Build a flat roof extension - £21,960

Build a dormer loft conversion - £41,960

Concrete foundations - £6,210

Convert a bungalow loft - £28,960

Convert a basement - £37,050