Derren Ward
Rotherham, S60
Green Exteriors Ltd are here to help customers who need an Extension Builder in Rotherham. We offer a competitive rate to complete all your extensi...
BP Builders are here to help customers who need an Extension Builder in Rotherham. We offer a competitive rate to complete all your extension build...
Trusted and professional extension builder in Rotherham. Experienced in all extension buildering work and keeping within budget and on quote. AMB J...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Trusted and professional extension builder in Rotherham. Experienced in all extension buildering work and keeping within budget and on quote. Briti...
Need an Extension Builder in Rotherham? Property Plus has been helping local clients (20 mile radius) with their extension buildering jobs for many...
Woodtec Joinery is an established extension buildering business in Rotherham. We come highly recommended and provide competitive quotes for your wo...
Dore Decor are a family run business with over 30 years experience - we offer an extensive range of building services and are able to provide a ful...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
MANVERS CONSTRUCTION is an established and experienced local extension builder in Rotherham. Please contact us for a free, no obligation quote and ...

Building a granny annexe ranges from £86,840 (Britishbuildogs based in S65) to £88,392 (Green Exteriors Ltd based in S60), 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 Rotherham by posting a job with HaMuch. We will send it to extension builders in Rotherham who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Rotherham | £32 | £257 |
| Granny Annexe near Wickersley | £32 | £258 |
| Granny Annexe near Sheffield | £32 | £261 |
| Granny Annexe near Barnsley | £31 | £242 |
| Granny Annexe near Dronfield | £33 | £262 |
| Granny Annexe near Doncaster | £29 | £238 |
| Granny Annexe near Worksop | £33 | £265 |
| Granny Annexe near Chesterfield | £33 | £257 |
| Granny Annexe near Pontefract | £30 | £228 |
| Granny Annexe near Bassetlaw | £31 | £243 |
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 - £17,704

Two storey extension - £88,306

Build a timber frame extension - £26,204

Build a swimming pool - £81,204

Single storey extension - £59,080

Side return extension - £43,795

Install an RSJ - £2,404

Outbuilding - £10,204

Build a Mansard loft conversion - £52,204

Loft conversion - £35,663

Build a kitchen extension - £42,204

Hip to gable loft conversion - £42,204

Granny annexe - £87,204

Garden office - £10,204

Convert a Garage - £16,204

Garage - £18,704

Build a flat roof extension - £22,204

Build a dormer loft conversion - £42,204

Concrete foundations - £6,454

Convert a bungalow loft - £29,204

Convert a basement - £39,795