DRUMKINNON JOINERY & BUILDING is a trusted extension builder serving customers in G82 and the surrounding area. Contact us to today to get a compet...
From £21,600
Craig Ross
Trusted and professional extension builder in G82. Experienced in all extension buildering work and keeping within budget and on quote. CR Joiners ...

A flat roof extension ranges from the cheapest of £21,600 (CR Joiners based in G82) to the dearest of £22,104 (DRUMKINNON JOINERY & BUILDING based in G83), 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 G82 by posting a job with HaMuch. We'll send it to extension builders in G82.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Dumbarton | £29 | £232 |
| Build A Flat Roof Extension near Greenock | £30 | £243 |
| Build A Flat Roof Extension near Port Glasgow | £32 | £250 |
| Build A Flat Roof Extension near Erskine | £34 | £258 |
| Build A Flat Roof Extension near Clydebank | £35 | £265 |
| Build A Flat Roof Extension near Renfrewshire | £54 | £398 |
| Build A Flat Roof Extension near Renfrew | £35 | £264 |
| Build A Flat Roof Extension near Johnstone | £52 | £381 |
| Build A Flat Roof Extension near Paisley | £34 | £259 |
| Build A Flat Roof Extension 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 - £17,352

Two storey extension - £87,778

Build a timber frame extension - £25,852

Build a swimming pool - £80,852

Single storey extension - £52,040

Side return extension - £39,835

Install an RSJ - £2,052

Outbuilding - £9,852

Build a Mansard loft conversion - £51,852

Loft conversion - £32,363

Build a kitchen extension - £41,852

Hip to gable loft conversion - £41,852

Granny annexe - £86,852

Garden office - £9,852

Convert a Garage - £15,852

Garage - £18,352

Build a flat roof extension - £21,852

Build a dormer loft conversion - £41,852

Concrete foundations - £6,102

Convert a bungalow loft - £28,852

Convert a basement - £35,835