From £86,848
We offer Concept Design ideas for you to see what your room, house, office space can look like.
From £87,064
RJB Construction and Joinery is a trusted extension builder serving customers in LS21 and the surrounding area. Contact us to today to get a compet...
From £86,840
Need to find an Extension Builder near you for all your extension buildering work?
full circle garden and design provides a local, trusted ...
From £87,176
Sd interiors are here to help customers who need an Extension Builder in LS21. We offer a competitive rate to complete all your extension builderin...
From £86,656
David Wood Building Kitchens And Bathrooms is a trusted extension builder serving customers in LS21 and the surrounding area. Contact us to today t...
From £86,320
L & D Builders & Joiners is a trusted extension builder serving customers in LS21 and the surrounding area. Contact us to today to get a competitiv...
From £86,632
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 £87,064
We are a Leeds based roofing contractor covering the domestic and commercial sectors. We specialise in a number of flat roofing systems with long l...
From £87,056
Trusted and professional extension builder in LS21. Experienced in all extension buildering work and keeping within budget and on quote. Extend Rit...
From £86,704
Experienced extension builder ready to quote for your work. Fellbrook Builders is the best extension builder in LS21. No obligation free quotes and...

Building a granny annexe ranges from £86,320 (L & D Builders & Joiners based in BD18) to £87,176 (Sd interiors based in LS16), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in LS21 by posting a job with HaMuch. We will send it to extension builders in LS21 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Shipley | £29 | £224 |
| Granny Annexe near Pudsey | £29 | £225 |
| Granny Annexe near Bingley | £30 | £226 |
| Granny Annexe near Harrogate | £29 | £225 |
| Granny Annexe near Bradford | £29 | £224 |
| Granny Annexe near Chapeltown | £30 | £231 |
| Granny Annexe near Leeds | £31 | £236 |
| Granny Annexe near Keighley | £30 | £226 |
| Granny Annexe near Beeston | £31 | £236 |
| Granny Annexe near Morley | £31 | £239 |
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 - £17,336

Two storey extension - £87,754

Build a timber frame extension - £25,836

Build a swimming pool - £80,836

Single storey extension - £51,720

Side return extension - £39,655

Install an RSJ - £2,036

Outbuilding - £9,836

Build a Mansard loft conversion - £51,836

Loft conversion - £32,213

Build a kitchen extension - £41,836

Hip to gable loft conversion - £41,836

Granny annexe - £86,836

Garden office - £9,836

Convert a Garage - £15,836

Garage - £18,336

Build a flat roof extension - £21,836

Build a dormer loft conversion - £41,836

Concrete foundations - £6,086

Convert a bungalow loft - £28,836

Convert a basement - £35,655