From £86,920
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 DL10. 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 DL10. Experienced in all extension buildering work and keeping within budget and on quote. Empire Bui...
From £86,880
Relax... you have found a reliable extension builder in DL10. Under Pressure is a friendly and reliable company based in DL10 who consider no job a...
From £86,720
S & K Windows are here to help customers who need an Extension Builder in DL10. We offer a competitive rate to complete all your extension builderi...
From £86,848
Need to find an Extension Builder near you for all your extension buildering work?
Victory Procurement Solutions provides a local, trusted...
From £86,632
Partek Site Services is an established and experienced local extension builder in DL10. Please contact us for a free, no obligation quote and compe...
From £86,952
Barlow Construction Limited are here to help customers who need an Extension Builder in DL10. We offer a competitive rate to complete all your exte...
From £86,928
Woodale Construction Nidderdale is an established extension buildering business in DL10. We come highly recommended and provide competitive quotes...
From £86,872
Hi I'm darren
I'm a fully qualified time served joiner I have been doing it for 30 years and have been self employed for 12 years ...

Building a granny annexe ranges from £86,632 (Partek Site Services based in DL2) to £86,952 (Barlow Construction Limited based in YO7), 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 DL10 by posting a job with HaMuch. We will send it to extension builders in DL10 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Darlington | £60 | £222 |
| Granny Annexe near Newton Aycliffe | £39 | £227 |
| Granny Annexe near Ingleby Barwick | £41 | £228 |
| Granny Annexe near Bishop Auckland | £39 | £247 |
| Granny Annexe near Stockton-on-Tees | £41 | £228 |
| Granny Annexe near Thornaby-on-Tees | £42 | £231 |
| Granny Annexe near Spennymoor | £38 | £248 |
| Granny Annexe near Billingham | £44 | £242 |
| Granny Annexe near Middlesbrough | £43 | £236 |
| Granny Annexe near Eston | £42 | £241 |
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 - £17,326

Two storey extension - £87,738

Build a timber frame extension - £25,826

Build a swimming pool - £80,826

Single storey extension - £51,512

Side return extension - £39,538

Install an RSJ - £2,026

Outbuilding - £9,826

Build a Mansard loft conversion - £51,826

Loft conversion - £32,115

Build a kitchen extension - £41,826

Hip to gable loft conversion - £41,826

Granny annexe - £86,826

Garden office - £9,826

Convert a Garage - £15,826

Garage - £18,326

Build a flat roof extension - £21,826

Build a dormer loft conversion - £41,826

Concrete foundations - £6,076

Convert a bungalow loft - £28,826

Convert a basement - £35,538