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"Totally unreliable, takes your money and doesn't finish the job." - NORTH EAST,reviewed 04/10/17, L S
Trusted and professional extension builder in Shildon. Experienced in all extension buildering work and keeping within budget and on quote. D & G B...
From £87,064
Croft-Hill Building & Joinery is a trusted extension builder serving customers in Shildon and the surrounding area. Contact us to today to get a co...
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 £86,968
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,040
Need to find an Extension Builder near you for all your extension buildering work?
SBC (BUILDERS) LIMITED provides a local, trusted extensi...

Building a granny annexe ranges from £86,760 (D & G Builders based in DL3) to £87,264 (Heritage NE Ltd based in DL17), 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 Shildon by posting a job with HaMuch. We will send it to extension builders in Shildon who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Bishop Auckland | £38 | £248 |
| Granny Annexe near Newton Aycliffe | £38 | £225 |
| Granny Annexe near Spennymoor | £37 | £249 |
| Granny Annexe near Darlington | £60 | £222 |
| Granny Annexe near Durham | £47 | £267 |
| Granny Annexe near Stockton-on-Tees | £41 | £228 |
| Granny Annexe near Billingham | £44 | £242 |
| Granny Annexe near Thornaby-on-Tees | £42 | £231 |
| Granny Annexe near Ingleby Barwick | £41 | £228 |
| 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 - £17,491

Two storey extension - £87,986

Build a timber frame extension - £25,991

Build a swimming pool - £80,991

Single storey extension - £54,813

Side return extension - £41,395

Install an RSJ - £2,191

Outbuilding - £9,991

Build a Mansard loft conversion - £51,991

Loft conversion - £33,663

Build a kitchen extension - £41,991

Hip to gable loft conversion - £41,991

Granny annexe - £86,991

Garden office - £9,991

Convert a Garage - £15,991

Garage - £18,491

Build a flat roof extension - £21,991

Build a dormer loft conversion - £41,991

Concrete foundations - £6,241

Convert a bungalow loft - £28,991

Convert a basement - £37,395