From £86,896
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,760
Trusted and professional extension builder in TS14. Experienced in all extension buildering work and keeping within budget and on quote. D & G Buil...
From £86,744
Trusted and professional extension builder in TS14. Experienced in all extension buildering work and keeping within budget and on quote. Empire Bui...
From £86,528
Experienced extension builder ready to quote for your work. KIETH GRAY ROOFING & BUILDING is the best extension builder in TS14. No obligation free...
From £86,920
Graham Gamble is an established and experienced local extension builder in TS14. Please contact us for a free, no obligation quote and competitive ...
From £86,880
Relax... you have found a reliable extension builder in TS14. Under Pressure is a friendly and reliable company based in TS14 who consider no job a...
From £87,128
Need an Extension Builder in TS14? Holvey Home Improvements has been helping local clients (20 mile radius) with their extension buildering jobs fo...
From £86,784
Plant to Build Northern is an established and experienced local extension builder in TS14. Please contact us for a free, no obligation quote and co...
From £86,440
Trusted and professional extension builder in TS14. Experienced in all extension buildering work and keeping within budget and on quote. Marshall &...
From £86,816
Need an Extension Builder in TS14? CHERRYBURN CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering jobs...

Building a granny annexe ranges from £86,440 (Marshall & Son Builders based in TS14) to £87,128 (Holvey Home Improvements based in TS12), 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 TS14 by posting a job with HaMuch. We will send it to extension builders in TS14 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Eston | £42 | £241 |
| Granny Annexe near Redcar & Cleveland | £43 | £254 |
| Granny Annexe near Redcar | £42 | £240 |
| Granny Annexe near Middlesbrough | £43 | £236 |
| Granny Annexe near Thornaby-on-Tees | £42 | £231 |
| Granny Annexe near Ingleby Barwick | £41 | £228 |
| Granny Annexe near Billingham | £44 | £242 |
| Granny Annexe near Stockton-on-Tees | £41 | £228 |
| Granny Annexe near Hartlepool | £40 | £236 |
| Granny Annexe near Peterlee | £36 | £230 |
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 - £17,290

Two storey extension - £87,684

Build a timber frame extension - £25,790

Build a swimming pool - £80,790

Single storey extension - £50,792

Side return extension - £39,133

Install an RSJ - £1,990

Outbuilding - £9,790

Build a Mansard loft conversion - £51,790

Loft conversion - £31,778

Build a kitchen extension - £41,790

Hip to gable loft conversion - £41,790

Granny annexe - £86,790

Garden office - £9,790

Convert a Garage - £15,790

Garage - £18,290

Build a flat roof extension - £21,790

Build a dormer loft conversion - £41,790

Concrete foundations - £6,040

Convert a bungalow loft - £28,790

Convert a basement - £35,133