On time/ professional/ time served/trustworthy
ANDREW HUNTER BUILDING SERVICES is an established and experienced local extension builder in Rowlands Gill. Please contact us for a free, no obliga...
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...
Trusted and professional extension builder in Rowlands Gill. Experienced in all extension buildering work and keeping within budget and on quote. X...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need an Extension Builder in Rowlands Gill? D TAIT BUILDING & PROP REPAIRS has been helping local clients (20 mile radius) with their extension bui...
D H P Builders is an established extension buildering business in Rowlands Gill. We come highly recommended and provide competitive quotes for your...
Need an Extension Builder in Rowlands Gill? ANDERSON & METCALF BUILDERS has been helping local clients (20 mile radius) with their extension builde...
WILKINSON BUILDERS is a trusted extension builder serving customers in Rowlands Gill and the surrounding area. Contact us to today to get a competi...
JT Roofing is an established and experienced local extension builder in Rowlands Gill. Please contact us for a free, no obligation quote and compet...

Building a granny annexe ranges from £86,808 (ANDREW HUNTER BUILDING SERVICES based in NE15) to £87,480 (Key Building Solutions based in NE9), 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 | £236 |
| Granny Annexe near Newcastle Upon Tyne | £33 | £236 |
| Granny Annexe near Chester-le-Street | £35 | £242 |
| Granny Annexe near Longbenton | £34 | £234 |
| Granny Annexe near Washington | £33 | £254 |
| Granny Annexe near Hebburn | £34 | £246 |
| Granny Annexe near Wallsend | £34 | £245 |
| Granny Annexe near Jarrow | £34 | £262 |
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 - £17,510

Two storey extension - £88,016

Build a timber frame extension - £26,010

Build a swimming pool - £81,010

Single storey extension - £55,208

Side return extension - £41,617

Install an RSJ - £2,210

Outbuilding - £10,010

Build a Mansard loft conversion - £52,010

Loft conversion - £33,848

Build a kitchen extension - £42,010

Hip to gable loft conversion - £42,010

Granny annexe - £87,010

Garden office - £10,010

Convert a Garage - £16,010

Garage - £18,510

Build a flat roof extension - £22,010

Build a dormer loft conversion - £42,010

Concrete foundations - £6,260

Convert a bungalow loft - £29,010

Convert a basement - £37,617