From £86,992
Need to find an Extension Builder near you for all your extension buildering work?
A B Building Roofing Services provides a local, trusted ...
From £86,320
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,952
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,952
We offer a range of building services that are tailored to meet the specific needs of our clients. Whether you are looking to extend your home, con...
From £87,040
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,000
Honest, reliable, experienced building/civil engineering contractor established in 2001.
From £87,024
JG Design & Build is an established extension buildering business in DE56. We come highly recommended and provide competitive quotes for your work....
From £86,856
Relax... you have found a reliable extension builder in DE56. Bennett Damp Proofing & Timber is a friendly and reliable company based in DE56 who c...
From £86,888
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,936
Need an Extension Builder in DE56? Patrick David Building Services Limited has been helping local clients (20 mile radius) with their extension bui...

Building a granny annexe ranges from £86,000 (HUSKINSON CONSTR SRVCS LTD based in NG16) to £87,040 (IH Properties Ltd based in LE67), 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 DE56 by posting a job with HaMuch. We will send it to extension builders in DE56 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Belper | £32 | £244 |
| Granny Annexe near Amber Valley | £32 | £244 |
| Granny Annexe near Ripley | £32 | £246 |
| Granny Annexe near Heanor | £31 | £236 |
| Granny Annexe near Derby | £29 | £227 |
| Granny Annexe near Alfreton | £34 | £261 |
| Granny Annexe near Ilkeston | £31 | £236 |
| Granny Annexe near Erewash | £31 | £234 |
| Granny Annexe near Broxtowe | £34 | £240 |
| Granny Annexe near Ashfield | £34 | £270 |
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 - £17,296

Two storey extension - £87,694

Build a timber frame extension - £25,796

Build a swimming pool - £80,796

Single storey extension - £50,920

Side return extension - £39,205

Install an RSJ - £1,996

Outbuilding - £9,796

Build a Mansard loft conversion - £51,796

Loft conversion - £31,838

Build a kitchen extension - £41,796

Hip to gable loft conversion - £41,796

Granny annexe - £86,796

Garden office - £9,796

Convert a Garage - £15,796

Garage - £18,296

Build a flat roof extension - £21,796

Build a dormer loft conversion - £41,796

Concrete foundations - £6,046

Convert a bungalow loft - £28,796

Convert a basement - £35,205