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Trusted and professional extension builder in S13. Experienced in all extension buildering work and keeping within budget and on quote. AMB Joinery...
MRP Design And Build Limited is an established extension buildering business in S13. We come highly recommended and provide competitive quotes for ...
From £86,912
Oliver Wild Ltd is an established extension buildering business in S13. We come highly recommended and provide competitive quotes for your work.
From £87,168
Milestone Builders is an established extension buildering business in S13. 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 S13. Please contact us for a free, no obligation quote and compe...

Building a granny annexe ranges from £86,912 (Oliver Wild Ltd based in S20) to £87,344 (AMB Joinery & Building Services based in S8), 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 S13 by posting a job with HaMuch. We will send it to extension builders in S13 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Sheffield | £32 | £261 |
| Granny Annexe near Rotherham | £32 | £257 |
| Granny Annexe near Dronfield | £33 | £262 |
| Granny Annexe near Wickersley | £32 | £258 |
| Granny Annexe near Chesterfield | £33 | £257 |
| Granny Annexe near Worksop | £33 | £265 |
| Granny Annexe near Barnsley | £31 | £242 |
| Granny Annexe near Doncaster | £29 | £238 |
| Granny Annexe near Mansfield Woodhouse | £33 | £262 |
| Granny Annexe near Forest Town | £33 | £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 - £17,666

Two storey extension - £88,250

Build a timber frame extension - £26,166

Build a swimming pool - £81,166

Single storey extension - £58,328

Side return extension - £43,372

Install an RSJ - £2,366

Outbuilding - £10,166

Build a Mansard loft conversion - £52,166

Loft conversion - £35,310

Build a kitchen extension - £42,166

Hip to gable loft conversion - £42,166

Granny annexe - £87,166

Garden office - £10,166

Convert a Garage - £16,166

Garage - £18,666

Build a flat roof extension - £22,166

Build a dormer loft conversion - £42,166

Concrete foundations - £6,416

Convert a bungalow loft - £29,166

Convert a basement - £39,372