From £87,484
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 £87,916
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 £87,880
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 £87,748
Need an Extension Builder in Allerton? Watertight Roofing Leeds has been helping local clients (20 mile radius) with their extension buildering job...
From £87,760
Need to find an Extension Builder near you for all your extension buildering work?
full circle garden and design provides a local, trusted ...
From £87,484
David Wood Building Kitchens And Bathrooms is a trusted extension builder serving customers in Allerton and the surrounding area. Contact us to tod...
From £87,448
Trusted and professional extension builder in Allerton. Experienced in all extension buildering work and keeping within budget and on quote. Fearnv...
From £87,724
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 £87,616
H.B.S is an established extension buildering business in Allerton. We come highly recommended and provide competitive quotes for your work.
From £87,712
Trusted and professional extension builder in Allerton. Experienced in all extension buildering work and keeping within budget and on quote. NE BUI...

Costs range from £87,448 (Fearnville Driveways based in LS8) to £87,916 (D & D Builders based in LS7), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
Post your job on HaMuch and we'll send it to extension builders to Allerton.
"Two storey extension" - BRADFORD, job posted 06/05/25
"Two storey extension or loft conversion" - BD2, job posted 02/12/26
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Bingley | £30 | £228 |
| Two Storey Extension near Bradford | £29 | £224 |
| Two Storey Extension near Shipley | £29 | £226 |
| Two Storey Extension near Keighley | £30 | £226 |
| Two Storey Extension near Halifax | £32 | £243 |
| Two Storey Extension near Pudsey | £30 | £226 |
| Two Storey Extension near Brighouse | £30 | £230 |
| Two Storey Extension near Calderdale | £33 | £253 |
| Two Storey Extension near Batley | £32 | £239 |
| Two Storey 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