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 Otley and the surrounding area. Contact us to today to get a compe...
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 Otley. We offer a competitive rate to complete all your extension builderi...
From £86,656
David Wood Building Kitchens And Bathrooms is a trusted extension builder serving customers in Otley and the surrounding area. Contact us to today ...
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 Otley. Experienced in all extension buildering work and keeping within budget and on quote. Extend Ri...
From £86,704
Experienced extension builder ready to quote for your work. Fellbrook Builders is the best extension builder in Otley. No obligation free quotes an...
From £86,944
We are a Leeds based design and build building and property development firm. We specialize in property renovation/restoration, but also have much ...

Building a granny annexe ranges from £86,632 (Select Products Yorkshire Ltd based in LS13) 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 Otley by posting a job with HaMuch. We will send it to extension builders in Otley who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Shipley | £29 | £226 |
| Granny Annexe near Pudsey | £30 | £226 |
| Granny Annexe near Bingley | £30 | £228 |
| Granny Annexe near Harrogate | £29 | £225 |
| Granny Annexe near Bradford | £29 | £224 |
| Granny Annexe near Chapeltown | £30 | £232 |
| 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 - £17,398

Two storey extension - £87,848

Build a timber frame extension - £25,898

Build a swimming pool - £80,898

Single storey extension - £52,968

Side return extension - £40,357

Install an RSJ - £2,098

Outbuilding - £9,898

Build a Mansard loft conversion - £51,898

Loft conversion - £32,798

Build a kitchen extension - £41,898

Hip to gable loft conversion - £41,898

Granny annexe - £86,898

Garden office - £9,898

Convert a Garage - £15,898

Garage - £18,398

Build a flat roof extension - £21,898

Build a dormer loft conversion - £41,898

Concrete foundations - £6,148

Convert a bungalow loft - £28,898

Convert a basement - £36,357