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Victor Preston
Colchester, CO2
Need an Extension Builder in Colchester? VICTOR COLIN PRESTON has been helping local clients (20 mile radius) with their extension buildering jobs ...
Experienced extension builder ready to quote for your work. MATURECOURT BUILDERS LTD is the best extension builder in Colchester. No obligation fre...
JDS Building Services is an established extension buildering business in Colchester. We come highly recommended and provide competitive quotes for ...
Colchester, CO2
T F Builders are here to help customers who need an Extension Builder in Colchester. We offer a competitive rate to complete all your extension bui...
Trusted and professional extension builder in Colchester. Experienced in all extension buildering work and keeping within budget and on quote. CHAP...
AAV CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in Colchester. We offer a competitive rate to complete all your e...
Colchester, CO1
D R Rouse Build Limited is a trusted extension builder serving customers in Colchester and the surrounding area. Contact us to today to get a compe...
From £86,976
Colchester, CO6
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,840
Adam
Having been established for over 10 years, we have accumulated a vast amount of local experience in all aspects of domestic renovation projects.We ...

Building a granny annexe ranges from £86,480 (JLP CAPENTRY & CONSTRUCTION based in CO3) to £87,008 (AAV CONSTRUCTION LIMITED based in CO5), 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 Colchester by posting a job with HaMuch. We will send it to extension builders in Colchester who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Colchester | £34 | £232 |
| Granny Annexe near Tendring | £31 | £226 |
| Granny Annexe near Witham | £36 | £240 |
| Granny Annexe near Clacton-on-Sea | £31 | £230 |
| Granny Annexe near Sudbury | £34 | £229 |
| Granny Annexe near Maldon | £36 | £244 |
| Granny Annexe near Braintree | £37 | £247 |
| Granny Annexe near Ipswich | £33 | £235 |
| Granny Annexe near Harwich | £34 | £248 |
| Granny Annexe near Felixstowe | £31 | £231 |
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 - £17,292

Two storey extension - £87,688

Build a timber frame extension - £25,792

Build a swimming pool - £80,792

Single storey extension - £50,840

Side return extension - £39,160

Install an RSJ - £1,992

Outbuilding - £9,792

Build a Mansard loft conversion - £51,792

Loft conversion - £31,800

Build a kitchen extension - £41,792

Hip to gable loft conversion - £41,792

Granny annexe - £86,792

Garden office - £9,792

Convert a Garage - £15,792

Garage - £18,292

Build a flat roof extension - £21,792

Build a dormer loft conversion - £41,792

Concrete foundations - £6,042

Convert a bungalow loft - £28,792

Convert a basement - £35,160