Relax... you have found a reliable extension builder in CO10. Premier Building is a friendly and reliable company based in CO10 who consider no job...
From £86,808
Trusted and professional extension builder in CO10. Experienced in all extension buildering work and keeping within budget and on quote. We Love Pr...
From £86,696
Relax... you have found a reliable extension builder in CO10. Cooper and Kelling Builders is a friendly and reliable company based in CO10 who cons...

Building a granny annexe ranges from £86,696 (Cooper and Kelling Builders based in CO10) to £87,000 (Premier Building based in CO10), 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 CO10 by posting a job with HaMuch. We will send it to extension builders in CO10 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Sudbury | £34 | £229 |
| Granny Annexe near Haverhill | £37 | £260 |
| Granny Annexe near Colchester | £34 | £232 |
| Granny Annexe near Bury St Edmunds | £34 | £251 |
| Granny Annexe near Braintree | £37 | £247 |
| Granny Annexe near Stowmarket | £30 | £221 |
| Granny Annexe near Witham | £36 | £240 |
| Granny Annexe near Ipswich | £33 | £235 |
| Granny Annexe near Tendring | £31 | £226 |
| Granny Annexe near Maldon | £36 | £244 |
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 - £17,335

Two storey extension - £87,752

Build a timber frame extension - £25,835

Build a swimming pool - £80,835

Single storey extension - £51,693

Side return extension - £39,640

Install an RSJ - £2,035

Outbuilding - £9,835

Build a Mansard loft conversion - £51,835

Loft conversion - £32,200

Build a kitchen extension - £41,835

Hip to gable loft conversion - £41,835

Granny annexe - £86,835

Garden office - £9,835

Convert a Garage - £15,835

Garage - £18,335

Build a flat roof extension - £21,835

Build a dormer loft conversion - £41,835

Concrete foundations - £6,085

Convert a bungalow loft - £28,835

Convert a basement - £35,640