From £87,160
Need to find an Extension Builder near you for all your extension buildering work?
Derwent View Roofing provides a local, trusted extension...
From £86,904
WILKINSON BUILDERS is a trusted extension builder serving customers in Rowlands Gill and the surrounding area. Contact us to today to get a competi...
From £86,896
S & A W Joinery & Construction is a trusted extension builder serving customers in Rowlands Gill and the surrounding area. Contact us to today to g...
From £86,808
ANDREW HUNTER BUILDING SERVICES is an established and experienced local extension builder in Rowlands Gill. Please contact us for a free, no obliga...
From £87,096
Need an Extension Builder in Rowlands Gill? D TAIT BUILDING & PROP REPAIRS has been helping local clients (20 mile radius) with their extension bui...
From £86,912
Need an Extension Builder in Rowlands Gill? Spacesaver Loft Storage has been helping local clients (20 mile radius) with their extension buildering...
From £86,848
Trusted and professional extension builder in Rowlands Gill. Experienced in all extension buildering work and keeping within budget and on quote. X...
From £87,272
We have 20+ years experience through all trades supplied.
Yes, we are an Advanced Vaillant installer.
Yes we are members of S...
From £86,936
D H P Builders is an established extension buildering business in Rowlands Gill. We come highly recommended and provide competitive quotes for your...
From £86,984
L T Builders is a trusted extension builder serving customers in Rowlands Gill and the surrounding area. Contact us to today to get a competitive q...

Building a granny annexe ranges from £86,808 (ANDREW HUNTER BUILDING SERVICES based in NE15) to £87,272 (Lighthouse North East Limited based in DH9), 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 Rowlands Gill by posting a job with HaMuch. We will send it to extension builders in Rowlands Gill who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Stanley | £34 | £242 |
| Granny Annexe near Consett | £33 | £241 |
| Granny Annexe near Gateshead | £33 | £234 |
| Granny Annexe near Newcastle Upon Tyne | £33 | £233 |
| Granny Annexe near Chester-le-Street | £35 | £242 |
| Granny Annexe near Longbenton | £33 | £231 |
| Granny Annexe near Washington | £33 | £251 |
| Granny Annexe near Hebburn | £34 | £244 |
| Granny Annexe near Wallsend | £34 | £242 |
| Granny Annexe near Jarrow | £34 | £261 |
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 - £17,482

Two storey extension - £87,972

Build a timber frame extension - £25,982

Build a swimming pool - £80,982

Single storey extension - £54,632

Side return extension - £41,293

Install an RSJ - £2,182

Outbuilding - £9,982

Build a Mansard loft conversion - £51,982

Loft conversion - £33,578

Build a kitchen extension - £41,982

Hip to gable loft conversion - £41,982

Granny annexe - £86,982

Garden office - £9,982

Convert a Garage - £15,982

Garage - £18,482

Build a flat roof extension - £21,982

Build a dormer loft conversion - £41,982

Concrete foundations - £6,232

Convert a bungalow loft - £28,982

Convert a basement - £37,293