From £86,840
DAVID LEAKE CONSTRUCTION LTD is an established and experienced local extension builder in S63. Please contact us for a free, no obligation quote an...
From £87,136
Need an Extension Builder in S63? Misura Limited has been helping local clients (20 mile radius) with their extension buildering jobs for many year...
From £86,864
Yorkshire Garage Openers is an established extension buildering business in S63. We come highly recommended and provide competitive quotes for your...
From £86,984
R.B.H Builders is a trusted extension builder serving customers in S63 and the surrounding area. Contact us to today to get a competitive quote for...
From £86,912
MANVERS CONSTRUCTION is an established and experienced local extension builder in S63. Please contact us for a free, no obligation quote and compet...
From £87,160
Need an Extension Builder in S63? Property Plus has been helping local clients (20 mile radius) with their extension buildering jobs for many years...
From £86,960
Ajf builddrs is a trusted extension builder serving customers in S63 and the surrounding area. Contact us to today to get a competitive quote for e...
From £86,840
Trusted and professional extension builder in S63. Experienced in all extension buildering work and keeping within budget and on quote. Britishbuil...
From £86,864
Harvie Construction is an established and experienced local extension builder in S63. Please contact us for a free, no obligation quote and competi...
From £87,104
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Building a granny annexe ranges from £86,840 (DAVID LEAKE CONSTRUCTION LTD based in S73) to £87,160 (Property Plus based in S61), 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 S63 by posting a job with HaMuch. We will send it to extension builders in S63 who will be happy to help you.
"Granny annexe space for mum with separate quarters" - S72, job posted 05/07/26
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Rotherham | £33 | £257 |
| Granny Annexe near Barnsley | £31 | £242 |
| Granny Annexe near Wickersley | £33 | £257 |
| Granny Annexe near Doncaster | £29 | £238 |
| Granny Annexe near Sheffield | £34 | £280 |
| Granny Annexe near Pontefract | £30 | £228 |
| Granny Annexe near Normanton | £30 | £233 |
| Granny Annexe near Wakefield | £31 | £240 |
| Granny Annexe near Castleford | £30 | £225 |
| Granny Annexe near Ossett | £33 | £245 |
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 - £17,466

Two storey extension - £87,950

Build a timber frame extension - £25,966

Build a swimming pool - £80,966

Single storey extension - £54,328

Side return extension - £41,122

Install an RSJ - £2,166

Outbuilding - £9,966

Build a Mansard loft conversion - £51,966

Loft conversion - £33,435

Build a kitchen extension - £41,966

Hip to gable loft conversion - £41,966

Granny annexe - £86,966

Garden office - £9,966

Convert a Garage - £15,966

Garage - £18,466

Build a flat roof extension - £21,966

Build a dormer loft conversion - £41,966

Concrete foundations - £6,216

Convert a bungalow loft - £28,966

Convert a basement - £37,122