From £86,456
DAVID LANE BUILDERS is an established and experienced local extension builder in NR12. Please contact us for a free, no obligation quote and compet...

Building a granny annexe ranges from £86,456 (DAVID LANE BUILDERS based in NR12) to £86,456 (DAVID LANE BUILDERS based in NR12), 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 NR12 by posting a job with HaMuch. We will send it to extension builders in NR12 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Great Yarmouth | £13 | £132 |
| Granny Annexe near Broadland | £24 | £194 |
| Granny Annexe near Norwich | £25 | £200 |
| Granny Annexe near Gorleston-on-Sea | £25 | £205 |
| Granny Annexe near Lowestoft | £24 | £197 |
| Granny Annexe near Dereham | £25 | £203 |
| Granny Annexe near Waveney | £24 | £200 |
| Granny Annexe near Breckland | £28 | £248 |
| Granny Annexe near Thetford | £42 | £277 |
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 - £16,956

Two storey extension - £87,184

Build a timber frame extension - £25,456

Build a swimming pool - £80,456

Single storey extension - £44,120

Side return extension - £35,380

Install an RSJ - £1,656

Outbuilding - £9,456

Build a Mansard loft conversion - £51,456

Loft conversion - £28,650

Build a kitchen extension - £41,456

Hip to gable loft conversion - £41,456

Granny annexe - £86,456

Garden office - £9,456

Convert a Garage - £15,456

Garage - £17,956

Build a flat roof extension - £21,456

Build a dormer loft conversion - £41,456

Concrete foundations - £5,706

Convert a bungalow loft - £28,456

Convert a basement - £31,380