From £21,808
Trusted and professional extension builder in Yorkshire. Experienced in all extension buildering work and keeping within budget and on quote. NE BU...
From £21,632
Trusted and professional extension builder in Yorkshire. Experienced in all extension buildering work and keeping within budget and on quote. Fearn...
From £21,824
Relax... you have found a reliable extension builder in Yorkshire. Foundation Building Services is a friendly and reliable company based in Yorkshi...
From £21,944
Need an Extension Builder in Yorkshire? D & D Builders has been helping local clients (20 mile radius) with their extension buildering jobs for man...
From £21,632
AAA BUILDERS are here to help customers who need an Extension Builder in Yorkshire. We offer a competitive rate to complete all your extension buil...
From £22,040
Need to find an Extension Builder near you for all your extension buildering work?
RB Building Services provides a local, trusted extension...
From £21,656
Hello So we do not work and almost any work and it works very well and qualitatively If you are interested we can work in the future
From £21,920
Experienced extension builder ready to quote for your work. J W Building Services is the best extension builder in Yorkshire. No obligation free qu...
From £21,832
Need an Extension Builder in Yorkshire? Watertight Roofing Leeds has been helping local clients (20 mile radius) with their extension buildering jo...
From £21,840
Need to find an Extension Builder near you for all your extension buildering work?
full circle garden and design provides a local, trusted ...

A flat roof extension ranges from the cheapest of £21,632 (Fearnville Driveways based in LS8) to the dearest of £22,040 (RB Building Services based in BD16), 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 Yorkshire by posting a job with HaMuch. We'll send it to extension builders in Yorkshire.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Bradford | £29 | £224 |
| Build A Flat Roof Extension near Pudsey | £30 | £226 |
| Build A Flat Roof Extension near Shipley | £29 | £226 |
| Build A Flat Roof Extension near Bingley | £30 | £228 |
| Build A Flat Roof Extension near Brighouse | £30 | £230 |
| Build A Flat Roof Extension near Batley | £32 | £239 |
| Build A Flat Roof Extension near Halifax | £32 | £243 |
| Build A Flat Roof Extension near Morley | £31 | £239 |
| Build A Flat Roof Extension near Keighley | £30 | £226 |
| Build A Flat Roof Extension near Beeston | £31 | £236 |
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 - £17,313

Two storey extension - £87,719

Build a timber frame extension - £25,813

Build a swimming pool - £80,813

Single storey extension - £51,256

Side return extension - £39,394

Install an RSJ - £2,013

Outbuilding - £9,813

Build a Mansard loft conversion - £51,813

Loft conversion - £31,995

Build a kitchen extension - £41,813

Hip to gable loft conversion - £41,813

Granny annexe - £86,813

Garden office - £9,813

Convert a Garage - £15,813

Garage - £18,313

Build a flat roof extension - £21,813

Build a dormer loft conversion - £41,813

Concrete foundations - £6,063

Convert a bungalow loft - £28,813

Convert a basement - £35,394