We send your job to ALL LS20 extension builders
Available extension builders in LS20 reply
Select your affordable LS20 extension builder
Trusted and professional extension builder in LS20. Experienced in all extension buildering work and keeping within budget and on quote. Extend Rit...
Paul Bantock
Need to find an Extension Builder near you for all your extension buildering work?
full circle garden and design provides a local, trusted ...
From £87,448
Justin
Select Products are proud to be recognised as a Which? Trusted Trader. We provide a range of home improvements including high security windows and ...
From £87,772
We offer Concept Design ideas for you to see what your room, house, office space can look like.
From £88,096
RJB Construction and Joinery is a trusted extension builder serving customers in LS20 and the surrounding area. Contact us to today to get a compet...

Costs range from £87,448 (Select Products Yorkshire Ltd based in LS13) to £88,096 (RJB Construction and Joinery based in LS20), 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 LS20.
"Two storey extension rear extension additional bedroom,diner and kitchen" - BD2, job posted 01/11/26
"Two storey extension or loft conversion" - BD2, job posted 02/12/26
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Shipley | £29 | £226 |
| Two Storey Extension near Bingley | £30 | £229 |
| Two Storey Extension near Pudsey | £30 | £227 |
| Two Storey Extension near Bradford | £29 | £225 |
| Two Storey Extension near Keighley | £30 | £226 |
| Two Storey Extension near Leeds | £31 | £236 |
| Two Storey Extension near Chapeltown | £30 | £232 |
| Two Storey Extension near Beeston | £31 | £236 |
| Two Storey Extension near Morley | £31 | £239 |
| Two Storey Extension near Harrogate | £29 | £225 |
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 - £17,388

Two storey extension - £87,832

Build a timber frame extension - £25,888

Build a swimming pool - £80,888

Single storey extension - £52,760

Side return extension - £40,240

Install an RSJ - £2,088

Outbuilding - £9,888

Build a Mansard loft conversion - £51,888

Loft conversion - £32,700

Build a kitchen extension - £41,888

Hip to gable loft conversion - £41,888

Granny annexe - £86,888

Garden office - £9,888

Convert a Garage - £15,888

Garage - £18,388

Build a flat roof extension - £21,888

Build a dormer loft conversion - £41,888

Concrete foundations - £6,138

Convert a bungalow loft - £28,888

Convert a basement - £36,240