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Trusted and professional extension builder in Denver. Experienced in all extension buildering work and keeping within budget and on quote. ANDREW R...
Trusted and professional extension builder in Denver. Experienced in all extension buildering work and keeping within budget and on quote. WEST NOR...
From £86,744
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,872
Oakenshield Construction Ltd is an established and experienced local extension builder in Denver. Please contact us for a free, no obligation quote...

Building a granny annexe ranges from £86,720 (WEST NORFOLK CONSTRUCTION LTD based in PE33) to £86,960 (ANDREW RUST BUILDING CONTRACTO based in PE34), 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 Denver by posting a job with HaMuch. We will send it to extension builders in Denver who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Wisbech | £34 | £255 |
| Granny Annexe near King's Lynn | £33 | £254 |
| Granny Annexe near Kings Lynn & West Norfolk | £31 | £238 |
| Granny Annexe near Ely | £40 | £279 |
| Granny Annexe near Breckland | £28 | £248 |
| Granny Annexe near Thetford | £42 | £277 |
| Granny Annexe near Dereham | £25 | £203 |
| Granny Annexe near Spalding | £32 | £238 |
| Granny Annexe near Peterborough | £40 | £281 |
| Granny Annexe near Bury St Edmunds | £34 | £251 |
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 - £17,324

Two storey extension - £87,736

Build a timber frame extension - £25,824

Build a swimming pool - £80,824

Single storey extension - £51,480

Side return extension - £39,520

Install an RSJ - £2,024

Outbuilding - £9,824

Build a Mansard loft conversion - £51,824

Loft conversion - £32,100

Build a kitchen extension - £41,824

Hip to gable loft conversion - £41,824

Granny annexe - £86,824

Garden office - £9,824

Convert a Garage - £15,824

Garage - £18,324

Build a flat roof extension - £21,824

Build a dormer loft conversion - £41,824

Concrete foundations - £6,074

Convert a bungalow loft - £28,824

Convert a basement - £35,520