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Tomasz Helenski
Thetford, IP24
Helenski Group Ltd specialises in complete bathroom renovations, luxury tiling, kitchens and full property refurbishments. We have over 20 years of...
From £87,032
Thetford, IP24
Need to find an Extension Builder near you for all your extension buildering work?
MICKS BUILDING SERVICES provides a local, trusted extens...

Building a granny annexe ranges from £87,032 (MICKS BUILDING SERVICES based in IP24) to £87,400 (Helenski Group Ltd based in IP24), 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 Thetford by posting a job with HaMuch. We will send it to extension builders in Thetford who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Thetford | £42 | £277 |
| Granny Annexe near Breckland | £28 | £248 |
| Granny Annexe near Bury St Edmunds | £34 | £251 |
| Granny Annexe near Stowmarket | £30 | £221 |
| Granny Annexe near Ely | £40 | £279 |
| Granny Annexe near Dereham | £25 | £203 |
| Granny Annexe near Sudbury | £34 | £229 |
| Granny Annexe near Haverhill | £37 | £260 |
| Granny Annexe near Norwich | £25 | £200 |
| Granny Annexe near King's Lynn | £33 | £254 |
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 - £17,716

Two storey extension - £88,324

Build a timber frame extension - £26,216

Build a swimming pool - £81,216

Single storey extension - £59,320

Side return extension - £43,930

Install an RSJ - £2,416

Outbuilding - £10,216

Build a Mansard loft conversion - £52,216

Loft conversion - £35,775

Build a kitchen extension - £42,216

Hip to gable loft conversion - £42,216

Granny annexe - £87,216

Garden office - £10,216

Convert a Garage - £16,216

Garage - £18,716

Build a flat roof extension - £22,216

Build a dormer loft conversion - £42,216

Concrete foundations - £6,466

Convert a bungalow loft - £29,216

Convert a basement - £39,930