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Select your affordable Breckland extension builder
From £86,864
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,896
Planet ozone ltd is an established and experienced local extension builder in Breckland. Please contact us for a free, no obligation quote and comp...

Building a granny annexe ranges from £86,864 (QUINN CONSTRUCTION SERVICES (A based in IP25) to £86,896 (Planet ozone ltd based in Nr9), 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 Breckland by posting a job with HaMuch. We will send it to extension builders in Breckland who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Breckland | £28 | £248 |
| Granny Annexe near Dereham | £25 | £203 |
| Granny Annexe near Thetford | £42 | £277 |
| Granny Annexe near Norwich | £25 | £200 |
| Granny Annexe near Broadland | £24 | £194 |
| Granny Annexe near Kings Lynn & West Norfolk | £31 | £238 |
| Granny Annexe near King's Lynn | £33 | £254 |
| Granny Annexe near Bury St Edmunds | £34 | £251 |
| Granny Annexe near Ely | £40 | £279 |
| Granny Annexe near Stowmarket | £30 | £221 |
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