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Select your affordable Canvey Island extension builder
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Experienced extension builder ready to quote for your work. WDC LTD T/A is the best extension builder in Canvey Island. No obligation free quotes a...
Livinston & Son Ltd are here to help customers who need an Extension Builder in Canvey Island. We offer a competitive rate to complete all your ext...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Anglian Preservation is an established and experienced local extension builder in Canvey Island. Please contact us for a free, no obligation quote ...
Frederick Head
Over 35 years experience
We are Gas Safe registered
We are Verified
We pride ourselves on great custom...
Darren Spencer
Need an Extension Builder in Canvey Island? Ellis & James Builders Limited has been helping local clients (20 mile radius) with their extension bui...
P OUGHTON BUILDING is an established and experienced local extension builder in Canvey Island. Please contact us for a free, no obligation quote an...
Witton & Pearce Builders in Essex is a trusted extension builder serving customers in Canvey Island and the surrounding area. Contact us to today t...
Billy Baverstock
Experienced extension builder ready to quote for your work. Capital Roofing Ltd is the best extension builder in Canvey Island. No obligation free ...

Building a granny annexe ranges from £86,456 (Capital Roofing Ltd based in SS13) to £87,360 (Ellis & James Builders Limited based in SS17), 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 Canvey Island by posting a job with HaMuch. We will send it to extension builders in Canvey Island who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Canvey Island | £39 | £256 |
| Granny Annexe near Thundersley | £38 | £251 |
| Granny Annexe near Rayleigh | £39 | £252 |
| Granny Annexe near Southend-on-Sea | £37 | £247 |
| Granny Annexe near Basildon | £39 | £251 |
| Granny Annexe near Stanford-le-Hope | £40 | £254 |
| Granny Annexe near Wickford | £39 | £255 |
| Granny Annexe near Billericay | £38 | £248 |
| Granny Annexe near Gillingham | £39 | £253 |
| Granny Annexe near Chatham | £39 | £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 - £17,555

Two storey extension - £88,083

Build a timber frame extension - £26,055

Build a swimming pool - £81,055

Single storey extension - £56,104

Side return extension - £42,121

Install an RSJ - £2,255

Outbuilding - £10,055

Build a Mansard loft conversion - £52,055

Loft conversion - £34,268

Build a kitchen extension - £42,055

Hip to gable loft conversion - £42,055

Granny annexe - £87,055

Garden office - £10,055

Convert a Garage - £16,055

Garage - £18,555

Build a flat roof extension - £22,055

Build a dormer loft conversion - £42,055

Concrete foundations - £6,305

Convert a bungalow loft - £29,055

Convert a basement - £38,121