From £86,472
From £87,216
Burgins Property Solutions Ltd is an established and experienced local extension builder in DE4. Please contact us for a free, no obligation quote ...
From £87,248
Here at AEC Building Services, we've been improving homes for local residential customers in Chesterfield, Derbyshire and surrounding areas since 1...
From £87,024
Camo Bear Construction is a local building contractor based in Wingerworth, Chesterfield. We cover many areas across Derbyshire, South Yorkshire an...
From £86,888
JWM Building Services is a trusted extension builder serving customers in DE4 and the surrounding area. Contact us to today to get a competitive qu...
From £86,936
Trusted and professional extension builder in DE4. Experienced in all extension buildering work and keeping within budget and on quote. Merebrook C...
From £86,472
We are a local building company serving the amber valley area working to a high class o...
From £86,928
Relax... you have found a reliable extension builder in DE4. Palace Roofline Ltd is a friendly and reliable company based in DE4 who consider no jo...
From £86,792
Need to find an Extension Builder near you for all your extension buildering work?
PJ Whitehurst (Building) Ltd provides a local, trusted e...
From £87,272
R.J Building Services is an established extension buildering business in DE4. We come highly recommended and provide competitive quotes for your wo...

Building a granny annexe ranges from £86,472 (Oakenstone Design Planning Build based in DE4) to £87,272 (R.J Building Services based in S41), 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 DE4 by posting a job with HaMuch. We will send it to extension builders in DE4 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Alfreton | £29 | £221 |
| Granny Annexe near Belper | £28 | £219 |
| Granny Annexe near Amber Valley | £28 | £218 |
| Granny Annexe near Ripley | £28 | £217 |
| Granny Annexe near Chesterfield | £29 | £225 |
| Granny Annexe near Heanor | £27 | £204 |
| Granny Annexe near Kirkby-in-Ashfield | £28 | £230 |
| Granny Annexe near Ashfield | £28 | £230 |
| Granny Annexe near Dronfield | £31 | £253 |
| Granny Annexe near Sutton-in-Ashfield | £28 | £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 - £17,425

Two storey extension - £87,887

Build a timber frame extension - £25,925

Build a swimming pool - £80,925

Single storey extension - £53,496

Side return extension - £40,654

Install an RSJ - £2,125

Outbuilding - £9,925

Build a Mansard loft conversion - £51,925

Loft conversion - £33,045

Build a kitchen extension - £41,925

Hip to gable loft conversion - £41,925

Granny annexe - £86,925

Garden office - £9,925

Convert a Garage - £15,925

Garage - £18,425

Build a flat roof extension - £21,925

Build a dormer loft conversion - £41,925

Concrete foundations - £6,175

Convert a bungalow loft - £28,925

Convert a basement - £36,654