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Select your affordable Hemsworth extension builder
Yorkshire Garage Openers is an established extension buildering business in Hemsworth. We come highly recommended and provide competitive quotes fo...
Harvie Construction is an established and experienced local extension builder in Hemsworth. Please contact us for a free, no obligation quote and c...
DAVID LEAKE CONSTRUCTION LTD is an established and experienced local extension builder in Hemsworth. Please contact us for a free, no obligation qu...
R.B.H Builders is a trusted extension builder serving customers in Hemsworth and the surrounding area. Contact us to today to get a competitive quo...
Antony Foster
Ajf builddrs is a trusted extension builder serving customers in Hemsworth and the surrounding area. Contact us to today to get a competitive quote...
NSB is a trusted extension builder serving customers in Hemsworth and the surrounding area. Contact us to today to get a competitive quote for exte...
From £86,704
ANDY HARDEMAN
Need to find an Extension Builder near you for all your extension buildering work?
Ashdaleconstruction provides a local, trusted extension ...
From £87,136
Need an Extension Builder in Hemsworth? Misura Limited has been helping local clients (20 mile radius) with their extension buildering jobs for man...
From £86,856
ABC Building & Design is an established and experienced local extension builder in Hemsworth. Please contact us for a free, no obligation quote and...
From £87,056
Experienced extension builder ready to quote for your work. CONSTRUCTIONAL TIMBER is the best extension builder in Hemsworth. No obligation free qu...

Building a granny annexe ranges from £86,704 (Ashdaleconstruction based in WF11) to £87,136 (Misura Limited based in S63), 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 Hemsworth by posting a job with HaMuch. We will send it to extension builders in Hemsworth who will be happy to help you.
"Granny annexe space for mum with separate quarters" - S72, job posted 07/05/26
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Pontefract | £30 | £228 |
| Granny Annexe near Barnsley | £31 | £242 |
| Granny Annexe near Normanton | £30 | £233 |
| Granny Annexe near Castleford | £30 | £225 |
| Granny Annexe near Wakefield | £31 | £240 |
| Granny Annexe near Doncaster | £29 | £238 |
| Granny Annexe near Rothwell | £30 | £230 |
| Granny Annexe near Ossett | £33 | £245 |
| Granny Annexe near Rotherham | £32 | £257 |
| Granny Annexe near Wickersley | £32 | £258 |
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 - £17,411

Two storey extension - £87,867

Build a timber frame extension - £25,911

Build a swimming pool - £80,911

Single storey extension - £53,224

Side return extension - £40,501

Install an RSJ - £2,111

Outbuilding - £9,911

Build a Mansard loft conversion - £51,911

Loft conversion - £32,918

Build a kitchen extension - £41,911

Hip to gable loft conversion - £41,911

Granny annexe - £86,911

Garden office - £9,911

Convert a Garage - £15,911

Garage - £18,411

Build a flat roof extension - £21,911

Build a dormer loft conversion - £41,911

Concrete foundations - £6,161

Convert a bungalow loft - £28,911

Convert a basement - £36,501