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...
From £87,400
Thetford, IP24
Helenski Group Ltd specialises in complete bathroom renovations, luxury tiling, kitchens and full property refurbishments. We have over 20 years of...
From £87,224
Small extension, to full turn key new house builds, listed building works, renovations. We provide a full comprehensive quotation for all your need...
From £86,856
Experienced extension builder ready to quote for your work. Beechwood Building Services is the best extension builder in Thetford. No obligation fr...
From £87,360
Experienced extension builder ready to quote for your work. Empire Profits Online is the best extension builder in Thetford. No obligation free quo...
From £86,568
We are a family business providing a one stop shop to meet all your building and renervation needs
From £86,744
Experienced extension builder ready to quote for your work. Brayfield Construction is the best extension builder in Thetford. No obligation free qu...
From £86,776
Trusted and professional extension builder in Thetford. Experienced in all extension buildering work and keeping within budget and on quote. RD FAR...
From £86,848
Need to find an Extension Builder near you for all your extension buildering work?
John Jarvis Builders provides a local, trusted extension...

Building a granny annexe ranges from £86,568 (Sean W Scott General Builder based in IP28) 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 - £17,466

Two storey extension - £87,950

Build a timber frame extension - £25,966

Build a swimming pool - £80,966

Single storey extension - £54,328

Side return extension - £41,122

Install an RSJ - £2,166

Outbuilding - £9,966

Build a Mansard loft conversion - £51,966

Loft conversion - £33,435

Build a kitchen extension - £41,966

Hip to gable loft conversion - £41,966

Granny annexe - £86,966

Garden office - £9,966

Convert a Garage - £15,966

Garage - £18,466

Build a flat roof extension - £21,966

Build a dormer loft conversion - £41,966

Concrete foundations - £6,216

Convert a bungalow loft - £28,966

Convert a basement - £37,122