From £86,912
STEVE MULVANEY BUILDING are here to help customers who need an Extension Builder in SR7. We offer a competitive rate to complete all your extension...
From £86,160
We provide expert advice on building defects and cost effective environmental friendly solutions throughout the North East of England. Our bu...
From £86,832
LJP Roofing are here to help customers who need an Extension Builder in SR7. We offer a competitive rate to complete all your extension buildering ...
From £86,808
Trusted and professional extension builder in SR7. Experienced in all extension buildering work and keeping within budget and on quote. DHB Builder...
From £86,912
Our building services company Home Grown NE has been providing professional, trustworthy building services to customers throughout the North-East f...
From £86,936
Building Craft Ltd is an established extension buildering business in SR7. We come highly recommended and provide competitive quotes for your work....
From £86,984
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £89,992
Trusted and professional extension builder in SR7. Experienced in all extension buildering work and keeping within budget and on quote. David Robe...
From £87,104
RAINTON CONSTRUCTION LTD is an established and experienced local extension builder in SR7. Please contact us for a free, no obligation quote and co...
From £87,880
Established 1983 . For more info visit web site please . Worked in industry for over 40 years.

Building a granny annexe ranges from £86,160 (Dry Tec based in DH6) to £89,992 (David Robertson builders based in Sr4), 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 SR7 by posting a job with HaMuch. We will send it to extension builders in SR7 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Seaham | £34 | £229 |
| Granny Annexe near Peterlee | £35 | £222 |
| Granny Annexe near Sunderland | £33 | £251 |
| Granny Annexe near Washington | £33 | £251 |
| Granny Annexe near Durham | £47 | £267 |
| Granny Annexe near Chester-le-Street | £35 | £242 |
| Granny Annexe near South Tyneside | £34 | £261 |
| Granny Annexe near Jarrow | £34 | £261 |
| Granny Annexe near Hartlepool | £40 | £236 |
| Granny Annexe near South Shields | £36 | £257 |
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 - £17,752

Two storey extension - £88,378

Build a timber frame extension - £26,252

Build a swimming pool - £81,252

Single storey extension - £60,040

Side return extension - £44,335

Install an RSJ - £2,452

Outbuilding - £10,252

Build a Mansard loft conversion - £52,252

Loft conversion - £36,113

Build a kitchen extension - £42,252

Hip to gable loft conversion - £42,252

Granny annexe - £87,252

Garden office - £10,252

Convert a Garage - £16,252

Garage - £18,752

Build a flat roof extension - £22,252

Build a dormer loft conversion - £42,252

Concrete foundations - £6,502

Convert a bungalow loft - £29,252

Convert a basement - £40,335