From £86,872
Trusted and professional extension builder in S10. Experienced in all extension buildering work and keeping within budget and on quote. BUILDWISER ...
From £87,152
Trojan Turnarounds Ltd is a trusted extension builder serving customers in S10 and the surrounding area. Contact us to today to get a competitive q...
From £87,112
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,264
Unity Development Group is a trusted extension builder serving customers in S10 and the surrounding area. Contact us to today to get a competitive ...
From £87,104
R Graham & Family Home Improvements is a trusted extension builder serving customers in S10 and the surrounding area. Contact us to today to get a ...
From £87,088
Hallamshire Paving is an established and experienced local extension builder in S10. Please contact us for a free, no obligation quote and competit...
From £87,336
Blenheim Park Developments is an established and experienced local extension builder in S10. Please contact us for a free, no obligation quote and ...
From £87,168
Milestone Builders is an established extension buildering business in S10. We come highly recommended and provide competitive quotes for your work....
From £87,312
Whitshaw Builders LTD is an established and experienced local extension builder in S10. Please contact us for a free, no obligation quote and compe...
From £86,880
Home Hero is a trusted extension builder serving customers in S10 and the surrounding area. Contact us to today to get a competitive quote for exte...

Building a granny annexe ranges from £86,872 (BUILDWISER based in S10) to £87,336 (Blenheim Park Developments based in S7), 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 S10 by posting a job with HaMuch. We will send it to extension builders in S10 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Sheffield | £34 | £280 |
| Granny Annexe near Dronfield | £35 | £288 |
| Granny Annexe near Rotherham | £33 | £257 |
| Granny Annexe near Chesterfield | £33 | £257 |
| Granny Annexe near Wickersley | £33 | £257 |
| Granny Annexe near Barnsley | £31 | £242 |
| Granny Annexe near Worksop | £33 | £265 |
| Granny Annexe near Buxton | £32 | £250 |
| Granny Annexe near Holmfirth | £30 | £232 |
| Granny Annexe near Doncaster | £29 | £238 |
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 - £17,629

Two storey extension - £88,193

Build a timber frame extension - £26,129

Build a swimming pool - £81,129

Single storey extension - £57,576

Side return extension - £42,949

Install an RSJ - £2,329

Outbuilding - £10,129

Build a Mansard loft conversion - £52,129

Loft conversion - £34,958

Build a kitchen extension - £42,129

Hip to gable loft conversion - £42,129

Granny annexe - £87,129

Garden office - £10,129

Convert a Garage - £16,129

Garage - £18,629

Build a flat roof extension - £22,129

Build a dormer loft conversion - £42,129

Concrete foundations - £6,379

Convert a bungalow loft - £29,129

Convert a basement - £38,949