MANVERS CONSTRUCTION is an established and experienced local extension builder in S74. Please contact us for a free, no obligation quote and compet...
Yorkshire Garage Openers is an established extension buildering business in S74. We come highly recommended and provide competitive quotes for your...
DAVID LEAKE CONSTRUCTION LTD is an established and experienced local extension builder in S74. Please contact us for a free, no obligation quote an...
Paul Chappell
Pc building services is a trusted extension builder serving customers in S74 and the surrounding area. Contact us to today to get a competitive quo...

Building a granny annexe ranges from £86,840 (DAVID LEAKE CONSTRUCTION LTD based in S73) to £87,040 (Pc building services based in S35), 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 S74 by posting a job with HaMuch. We will send it to extension builders in S74 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 Barnsley | £31 | £242 |
| Granny Annexe near Rotherham | £32 | £257 |
| Granny Annexe near Sheffield | £32 | £261 |
| Granny Annexe near Wickersley | £32 | £258 |
| Granny Annexe near Doncaster | £29 | £238 |
| Granny Annexe near Wakefield | £31 | £240 |
| Granny Annexe near Ossett | £33 | £245 |
| Granny Annexe near Normanton | £30 | £233 |
| Granny Annexe near Dronfield | £33 | £262 |
| Granny Annexe near Pontefract | £30 | £228 |
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 - £17,414

Two storey extension - £87,871

Build a timber frame extension - £25,914

Build a swimming pool - £80,914

Single storey extension - £53,280

Side return extension - £40,533

Install an RSJ - £2,114

Outbuilding - £9,914

Build a Mansard loft conversion - £51,914

Loft conversion - £32,944

Build a kitchen extension - £41,914

Hip to gable loft conversion - £41,914

Granny annexe - £86,914

Garden office - £9,914

Convert a Garage - £15,914

Garage - £18,414

Build a flat roof extension - £21,914

Build a dormer loft conversion - £41,914

Concrete foundations - £6,164

Convert a bungalow loft - £28,914

Convert a basement - £36,533