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Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
BP Builders are here to help customers who need an Extension Builder in S6. We offer a competitive rate to complete all your extension buildering j...
Trusted and professional extension builder in S6. Experienced in all extension buildering work and keeping within budget and on quote. AMB Joinery ...
Hallamshire Paving is an established and experienced local extension builder in S6. Please contact us for a free, no obligation quote and competiti...
Woodtec Joinery is an established extension buildering business in S6. We come highly recommended and provide competitive quotes for your work.
...Dore Decor are a family run business with over 30 years experience - we offer an extensive range of building services and are able to provide a ful...
Martin Metcalfe
Need an Extension Builder in S6? Trinity Building Services has been helping local clients (20 mile radius) with their extension buildering jobs for...
From £87,152
Trojan Turnarounds Ltd is a trusted extension builder serving customers in S6 and the surrounding area. Contact us to today to get a competitive qu...
From £87,104
R Graham & Family Home Improvements is a trusted extension builder serving customers in S6 and the surrounding area. Contact us to today to get a c...
From £87,168
Milestone Builders is an established extension buildering business in S6. We come highly recommended and provide competitive quotes for your work.<...

Building a granny annexe ranges from £86,912 (Trinity Building Services based in S6) 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 S6 by posting a job with HaMuch. We will send it to extension builders in S6 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 Barnsley | £31 | £242 |
| Granny Annexe near Chesterfield | £33 | £257 |
| Granny Annexe near Worksop | £33 | £265 |
| Granny Annexe near Holmfirth | £30 | £232 |
| Granny Annexe near Doncaster | £29 | £238 |
| Granny Annexe near Kirklees | £30 | £231 |
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 - £17,606

Two storey extension - £88,158

Build a timber frame extension - £26,106

Build a swimming pool - £81,106

Single storey extension - £57,112

Side return extension - £42,688

Install an RSJ - £2,306

Outbuilding - £10,106

Build a Mansard loft conversion - £52,106

Loft conversion - £34,740

Build a kitchen extension - £42,106

Hip to gable loft conversion - £42,106

Granny annexe - £87,106

Garden office - £10,106

Convert a Garage - £16,106

Garage - £18,606

Build a flat roof extension - £22,106

Build a dormer loft conversion - £42,106

Concrete foundations - £6,356

Convert a bungalow loft - £29,106

Convert a basement - £38,688