Lee Jones
Jones Masonry Ltd is a trusted extension builder serving customers in Birkby and the surrounding area. Contact us to today to get a competitive quo...
PR Brick & Stone is an established extension buildering business in Birkby. We come highly recommended and provide competitive quotes for your work...
Paul Brook Quality Builder is a trusted extension builder serving customers in Birkby and the surrounding area. Contact us to today to get a compet...
Relax... you have found a reliable extension builder in Birkby. Walkden Bricklaying is a friendly and reliable company based in Birkby who consider...
SJL Construction is a trusted extension builder serving customers in Birkby and the surrounding area. Contact us to today to get a competitive quot...
Benchmark Builders is a trusted extension builder serving customers in Birkby and the surrounding area. Contact us to today to get a competitive qu...
Relax... you have found a reliable extension builder in Birkby. MS General is a friendly and reliable company based in Birkby who consider no job a...
AAA BUILDERS are here to help customers who need an Extension Builder in Birkby. We offer a competitive rate to complete all your extension builder...
Need to find an Extension Builder near you for all your extension buildering work?
Robbie Robinson provides a local, trusted extension buil...
Dave Harrison
DAVID HARRISON BUILDING are here to help customers who need an Extension Builder in Birkby. We offer a competitive rate to complete all your extens...

Building a granny annexe ranges from £86,632 (AAA BUILDERS based in BD5) to £87,312 (Jones Masonry Ltd based in BD19), 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 Birkby by posting a job with HaMuch. We will send it to extension builders in Birkby who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Huddersfield | £29 | £224 |
| Granny Annexe near Brighouse | £30 | £230 |
| Granny Annexe near Mirfield | £31 | £236 |
| Granny Annexe near Kirklees | £30 | £231 |
| Granny Annexe near Halifax | £32 | £243 |
| Granny Annexe near Holmfirth | £30 | £232 |
| Granny Annexe near Dewsbury | £33 | £245 |
| Granny Annexe near Batley | £32 | £239 |
| Granny Annexe near Ossett | £33 | £245 |
| Granny Annexe near Bradford | £29 | £224 |
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 - £17,361

Two storey extension - £87,791

Build a timber frame extension - £25,861

Build a swimming pool - £80,861

Single storey extension - £52,216

Side return extension - £39,934

Install an RSJ - £2,061

Outbuilding - £9,861

Build a Mansard loft conversion - £51,861

Loft conversion - £32,445

Build a kitchen extension - £41,861

Hip to gable loft conversion - £41,861

Granny annexe - £86,861

Garden office - £9,861

Convert a Garage - £15,861

Garage - £18,361

Build a flat roof extension - £21,861

Build a dormer loft conversion - £41,861

Concrete foundations - £6,111

Convert a bungalow loft - £28,861

Convert a basement - £35,934