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 £21,944
Need an Extension Builder in Allerton? D & D Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many...
From £21,920
Experienced extension builder ready to quote for your work. J W Building Services is the best extension builder in Allerton. No obligation free quo...
From £21,832
Need an Extension Builder in Allerton? Watertight Roofing Leeds has been helping local clients (20 mile radius) with their extension buildering job...
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 ...
From £21,656
David Wood Building Kitchens And Bathrooms is a trusted extension builder serving customers in Allerton and the surrounding area. Contact us to tod...
From £21,632
Trusted and professional extension builder in Allerton. Experienced in all extension buildering work and keeping within budget and on quote. Fearnv...
From £21,816
We are a local building company who specialises in keeping our customers happy we are reliable friendly. We carry out all types of building wo...
From £21,744
H.B.S is an established extension buildering business in Allerton. We come highly recommended and provide competitive quotes for your work.
From £21,808
Trusted and professional extension builder in Allerton. Experienced in all extension buildering work and keeping within budget and on quote. NE BUI...

A flat roof extension ranges from the cheapest of £21,632 (Fearnville Driveways based in LS8) to the dearest of £21,944 (D & D Builders based in LS7), 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 Allerton by posting a job with HaMuch. We'll send it to extension builders in Allerton.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Bingley | £30 | £228 |
| Build A Flat Roof Extension near Bradford | £29 | £224 |
| Build A Flat Roof Extension near Shipley | £29 | £226 |
| Build A Flat Roof Extension near Keighley | £30 | £226 |
| Build A Flat Roof Extension near Halifax | £32 | £243 |
| Build A Flat Roof Extension near Pudsey | £30 | £226 |
| Build A Flat Roof Extension near Brighouse | £30 | £230 |
| Build A Flat Roof Extension near Calderdale | £33 | £253 |
| Build A Flat Roof Extension near Batley | £32 | £239 |
| Build A Flat Roof Extension near Mirfield | £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 - £17,285

Two storey extension - £87,677

Build a timber frame extension - £25,785

Build a swimming pool - £80,785

Single storey extension - £50,696

Side return extension - £39,079

Install an RSJ - £1,985

Outbuilding - £9,785

Build a Mansard loft conversion - £51,785

Loft conversion - £31,733

Build a kitchen extension - £41,785

Hip to gable loft conversion - £41,785

Granny annexe - £86,785

Garden office - £9,785

Convert a Garage - £15,785

Garage - £18,285

Build a flat roof extension - £21,785

Build a dormer loft conversion - £41,785

Concrete foundations - £6,035

Convert a bungalow loft - £28,785

Convert a basement - £35,079