From £86,936
As a business we pride ourselves on running our business efficiently and to a very high standard. Our main aims are to communicate continuously thr...
From £86,720
Nick Hopewell Design, Build & Restoration is an established extension buildering business in DE6. We come highly recommended and provide competitiv...
From £87,040
Offering a turnkey solution for builds and renovations, we have built up a reputation for a friendly and professional service by our team of experi...
From £86,944
Our building services company The Conversion Guy have been helping customers in Derbyshire and the surrounding areas for over 40 years.We k...
From £87,024
Peter Ferns Builder is an established and experienced local extension builder in DE6. Please contact us for a free, no obligation quote and competi...
From £86,744
The Blackbrook Group offers a one-stop shop for your construction project. We offer support from concept through to completion. We start with an in...
From £86,704
A J Construction is an established and experienced local extension builder in DE6. Please contact us for a free, no obligation quote and competitiv...
From £87,080
GABRIEL BUILDING SERVICES is a trusted extension builder serving customers in DE6 and the surrounding area. Contact us to today to get a competitiv...
From £86,712
Timbuild building services Ltd is a trusted extension builder serving customers in DE6 and the surrounding area. Contact us to today to get a compe...
From £86,896
Derbyshire Bathrooms & Kitchens Ltd is an established and experienced local extension builder in DE6. Please contact us for a free, no obligation q...

Building a granny annexe ranges from £86,704 (A J Construction based in DE22) to £87,080 (GABRIEL BUILDING SERVICES based in DE13), 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 DE6 by posting a job with HaMuch. We will send it to extension builders in DE6 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Amber Valley | £31 | £238 |
| Granny Annexe near Belper | £32 | £244 |
| Granny Annexe near Derby | £30 | £228 |
| Granny Annexe near Burton upon Trent | £32 | £255 |
| Granny Annexe near Ripley | £32 | £246 |
| Granny Annexe near Leek | £33 | £254 |
| Granny Annexe near Heanor | £31 | £236 |
| Granny Annexe near Alfreton | £34 | £261 |
| Granny Annexe near Ilkeston | £31 | £235 |
| Granny Annexe near Swadlincote | £31 | £248 |
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 - £17,380

Two storey extension - £87,820

Build a timber frame extension - £25,880

Build a swimming pool - £80,880

Single storey extension - £52,600

Side return extension - £40,150

Install an RSJ - £2,080

Outbuilding - £9,880

Build a Mansard loft conversion - £51,880

Loft conversion - £32,625

Build a kitchen extension - £41,880

Hip to gable loft conversion - £41,880

Granny annexe - £86,880

Garden office - £9,880

Convert a Garage - £15,880

Garage - £18,380

Build a flat roof extension - £21,880

Build a dormer loft conversion - £41,880

Concrete foundations - £6,130

Convert a bungalow loft - £28,880

Convert a basement - £36,150