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Noel Bolding
Need to find an Extension Builder near you for all your extension buildering work?
BRICKON CONSTRUCTION LIMITED provides a local, trusted e...
RMS Building Services is a trusted extension builder serving customers in Belper and the surrounding area. Contact us to today to get a competitive...
Barry H
Trusted and professional extension builder in Belper. Experienced in all extension buildering work and keeping within budget and on quote. COMPLETE...
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Relax... you have found a reliable extension builder in Belper. MTD Brickwork Ltd is a friendly and reliable company based in Belper who consider n...
Anthony Sharp
We are a local building company serving the amber valley area working to a high class o...
John Smoth
Trusted and professional extension builder in Belper. Experienced in all extension buildering work and keeping within budget and on quote. Seerey a...
Alsn Askey
Experienced extension builder ready to quote for your work. Alan Askey Builder is the best extension builder in Belper. No obligation free quotes a...
Welcome to the homepage of Prestige Contract Services (Midlands) LTD, a friendly, family run construction company based in Shirland, Derbyshire. Ou...
From £86,976
Top Mark Conversions is a trusted extension builder serving customers in Belper and the surrounding area. Contact us to today to get a competitive ...
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...

Building a granny annexe ranges from £86,472 (A p sharp building services based in DE5) to £87,928 (COMPLETE BLDG & PLASTIC INSTA based in DE5), 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 Belper by posting a job with HaMuch. We will send it to extension builders in Belper 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 | £269 |
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 - £17,422

Two storey extension - £87,884

Build a timber frame extension - £25,922

Build a swimming pool - £80,922

Single storey extension - £53,448

Side return extension - £40,627

Install an RSJ - £2,122

Outbuilding - £9,922

Build a Mansard loft conversion - £51,922

Loft conversion - £33,023

Build a kitchen extension - £41,922

Hip to gable loft conversion - £41,922

Granny annexe - £86,922

Garden office - £9,922

Convert a Garage - £15,922

Garage - £18,422

Build a flat roof extension - £21,922

Build a dormer loft conversion - £41,922

Concrete foundations - £6,172

Convert a bungalow loft - £28,922

Convert a basement - £36,627