From £21,944
M C BUILDER (YORKSHIRE) LTD is an established extension buildering business in Owston. We come highly recommended and provide competitive quotes fo...
From £21,808
Trusted and professional extension builder in Owston. Experienced in all extension buildering work and keeping within budget and on quote. NE BUILD...
From £21,632
Trusted and professional extension builder in Owston. Experienced in all extension buildering work and keeping within budget and on quote. Fearnvil...
From £21,824
Relax... you have found a reliable extension builder in Owston. Foundation Building Services is a friendly and reliable company based in Owston who...
From £21,968
Relax... you have found a reliable extension builder in Owston. CS Construction & Conversions is a friendly and reliable company based in Owston wh...
From £21,984
BP Builders are here to help customers who need an Extension Builder in Owston. We offer a competitive rate to complete all your extension builderi...
From £22,064
Prestine Property Maintenance Services is an established and experienced local extension builder in Owston. Please contact us for a free, no obliga...
From £22,144
Need an Extension Builder in Owston? P Wilkinson Building has been helping local clients (20 mile radius) with their extension buildering jobs for ...
From £21,912
MANVERS CONSTRUCTION is an established and experienced local extension builder in Owston. Please contact us for a free, no obligation quote and com...
From £21,752
J CLARKE CONSTRUCTION LTD are here to help customers who need an Extension Builder in Owston. We offer a competitive rate to complete all your exte...

A flat roof extension ranges from the cheapest of £21,632 (Fearnville Driveways based in LS8) to the dearest of £22,144 (P Wilkinson Building based in HD8), 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 Owston by posting a job with HaMuch. We'll send it to extension builders in Owston.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Doncaster | £29 | £238 |
| Build A Flat Roof Extension near Pontefract | £30 | £228 |
| Build A Flat Roof Extension near Castleford | £30 | £225 |
| Build A Flat Roof Extension near Normanton | £30 | £233 |
| Build A Flat Roof Extension near Goole | £26 | £217 |
| Build A Flat Roof Extension near Wickersley | £33 | £257 |
| Build A Flat Roof Extension near Barnsley | £31 | £242 |
| Build A Flat Roof Extension near Rotherham | £33 | £257 |
| Build A Flat Roof Extension near Selby | £30 | £240 |
| Build A Flat Roof Extension near Wakefield | £31 | £240 |
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 - £17,403

Two storey extension - £87,855

Build a timber frame extension - £25,903

Build a swimming pool - £80,903

Single storey extension - £53,064

Side return extension - £40,411

Install an RSJ - £2,103

Outbuilding - £9,903

Build a Mansard loft conversion - £51,903

Loft conversion - £32,843

Build a kitchen extension - £41,903

Hip to gable loft conversion - £41,903

Granny annexe - £86,903

Garden office - £9,903

Convert a Garage - £15,903

Garage - £18,403

Build a flat roof extension - £21,903

Build a dormer loft conversion - £41,903

Concrete foundations - £6,153

Convert a bungalow loft - £28,903

Convert a basement - £36,411