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Select your affordable CB8 extension builder
Relax... you have found a reliable extension builder in CB8. Adams & Eden Restoration is a friendly and reliable company based in CB8 who consider ...
From £87,120
John Kirk Building Ltd is an established extension buildering business in CB8. We come highly recommended and provide competitive quotes for your w...
From £87,168
Experienced extension builder ready to quote for your work. J&G HARDING BUILDING SERVICES is the best extension builder in CB8. No obligation free ...
From £86,992
Trusted and professional extension builder in CB8. Experienced in all extension buildering work and keeping within budget and on quote. Doug Misson...

Building a granny annexe ranges from £86,992 (Doug Misson Construction based in CB8) to £87,560 (Adams & Eden Restoration based in Cb8), 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 CB8 by posting a job with HaMuch. We will send it to extension builders in CB8 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Haverhill | £37 | £260 |
| Granny Annexe near Ely | £40 | £279 |
| Granny Annexe near Bury St Edmunds | £34 | £251 |
| Granny Annexe near Cambridge | £41 | £275 |
| Granny Annexe near South Cambridgeshire | £50 | £315 |
| Granny Annexe near Sudbury | £34 | £229 |
| Granny Annexe near Thetford | £42 | £277 |
| Granny Annexe near Braintree | £37 | £247 |
| Granny Annexe near Stowmarket | £30 | £221 |
| Granny Annexe near Huntingdon | £38 | £284 |
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 - £17,710

Two storey extension - £88,315

Build a timber frame extension - £26,210

Build a swimming pool - £81,210

Single storey extension - £59,200

Side return extension - £43,863

Install an RSJ - £2,410

Outbuilding - £10,210

Build a Mansard loft conversion - £52,210

Loft conversion - £35,719

Build a kitchen extension - £42,210

Hip to gable loft conversion - £42,210

Granny annexe - £87,210

Garden office - £10,210

Convert a Garage - £16,210

Garage - £18,710

Build a flat roof extension - £22,210

Build a dormer loft conversion - £42,210

Concrete foundations - £6,460

Convert a bungalow loft - £29,210

Convert a basement - £39,863