From £86,632
Partek Site Services is an established and experienced local extension builder in DL2. Please contact us for a free, no obligation quote and compet...
From £86,760
Trusted and professional extension builder in DL2. Experienced in all extension buildering work and keeping within budget and on quote. D & G Build...
From £87,208
Experienced extension builder ready to quote for your work. pidesigns is the best extension builder in DL2. No obligation free quotes and many happ...
From £86,824
Experienced extension builder ready to quote for your work. AW Building Projects North East Ltd is the best extension builder in DL2. No obligation...
From £86,848
Need to find an Extension Builder near you for all your extension buildering work?
ANWEN CONSTRUCTION provides a local, trusted extension b...
From £86,880
Relax... you have found a reliable extension builder in DL2. Under Pressure is a friendly and reliable company based in DL2 who consider no job as ...
From £86,736
Need an Extension Builder in DL2? Northern Roofline Solutions has been helping local clients (20 mile radius) with their extension buildering jobs ...
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 £86,640
Lee Construction (LDG) Ltd is a trusted extension builder serving customers in DL2 and the surrounding area. Contact us to today to get a competiti...
From £86,728
GURKHA CONSTRUCTION SVCS LTD is a trusted extension builder serving customers in DL2 and the surrounding area. Contact us to today to get a competi...

Building a granny annexe ranges from £86,632 (Partek Site Services based in DL2) to £87,208 (Pidesigns based in DL1), 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 DL2 by posting a job with HaMuch. We will send it to extension builders in DL2 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 Bishop Auckland | £39 | £247 |
| Granny Annexe near Stockton-on-Tees | £40 | £226 |
| Granny Annexe near Spennymoor | £38 | £248 |
| Granny Annexe near Ingleby Barwick | £41 | £227 |
| Granny Annexe near Thornaby-on-Tees | £41 | £230 |
| Granny Annexe near Billingham | £43 | £240 |
| Granny Annexe near Middlesbrough | £42 | £235 |
| Granny Annexe near Durham | £47 | £267 |
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 - £17,318

Two storey extension - £87,726

Build a timber frame extension - £25,818

Build a swimming pool - £80,818

Single storey extension - £51,352

Side return extension - £39,448

Install an RSJ - £2,018

Outbuilding - £9,818

Build a Mansard loft conversion - £51,818

Loft conversion - £32,040

Build a kitchen extension - £41,818

Hip to gable loft conversion - £41,818

Granny annexe - £86,818

Garden office - £9,818

Convert a Garage - £15,818

Garage - £18,318

Build a flat roof extension - £21,818

Build a dormer loft conversion - £41,818

Concrete foundations - £6,068

Convert a bungalow loft - £28,818

Convert a basement - £35,448