Derren Ward
Green Exteriors Ltd are here to help customers who need an Extension Builder in Sheffield. We offer a competitive rate to complete all your extensi...
BP Builders are here to help customers who need an Extension Builder in Sheffield. We offer a competitive rate to complete all your extension build...
Hallamshire Paving is an established and experienced local extension builder in Sheffield. Please contact us for a free, no obligation quote and co...
Trusted and professional extension builder in Sheffield. 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 Sheffield. Experienced in all extension buildering work and keeping within budget and on quote. Briti...
Need an Extension Builder in Sheffield? 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 Sheffield. We come highly recommended and provide competitive quotes for your wo...
Andrew Field
Sheffield, S8
We are a family run business with 20 years experience.
We take great care and attention to the work we carry out and pride ourselves on ...
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...

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 Sheffield by posting a job with HaMuch. We will send it to extension builders in Sheffield who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Sheffield | £32 | £261 |
| Granny Annexe near Rotherham | £33 | £257 |
| Granny Annexe near Dronfield | £33 | £262 |
| Granny Annexe near Wickersley | £33 | £257 |
| Granny Annexe near Chesterfield | £33 | £257 |
| Granny Annexe near Barnsley | £31 | £242 |
| Granny Annexe near Worksop | £33 | £265 |
| Granny Annexe near Doncaster | £29 | £238 |
| Granny Annexe near Mansfield Woodhouse | £33 | £262 |
| Granny Annexe near Holmfirth | £30 | £232 |
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 - £17,711

Two storey extension - £88,317

Build a timber frame extension - £26,211

Build a swimming pool - £81,211

Single storey extension - £59,224

Side return extension - £43,876

Install an RSJ - £2,411

Outbuilding - £10,211

Build a Mansard loft conversion - £52,211

Loft conversion - £35,730

Build a kitchen extension - £42,211

Hip to gable loft conversion - £42,211

Granny annexe - £87,211

Garden office - £10,211

Convert a Garage - £16,211

Garage - £18,711

Build a flat roof extension - £22,211

Build a dormer loft conversion - £42,211

Concrete foundations - £6,461

Convert a bungalow loft - £29,211

Convert a basement - £39,876