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 £87,104
A Kendal Builders (N/E) Limited is an established and experienced local extension builder in SR7. Please contact us for a free, no obligation quote...

Building a granny annexe ranges from £86,912 (STEVE MULVANEY BUILDING based in SR2) to £87,104 (A Kendal Builders (N/E) Limited based in SR3), 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 | £35 | £235 |
| Granny Annexe near Peterlee | £36 | £230 |
| Granny Annexe near Sunderland | £33 | £251 |
| Granny Annexe near Washington | £33 | £254 |
| 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 | £262 |
| 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 - £17,508

Two storey extension - £88,012

Build a timber frame extension - £26,008

Build a swimming pool - £81,008

Single storey extension - £55,160

Side return extension - £41,590

Install an RSJ - £2,208

Outbuilding - £10,008

Build a Mansard loft conversion - £52,008

Loft conversion - £33,825

Build a kitchen extension - £42,008

Hip to gable loft conversion - £42,008

Granny annexe - £87,008

Garden office - £10,008

Convert a Garage - £16,008

Garage - £18,508

Build a flat roof extension - £22,008

Build a dormer loft conversion - £42,008

Concrete foundations - £6,258

Convert a bungalow loft - £29,008

Convert a basement - £37,590