From £87,240
M&J Brickwork Ltd are a Chelmsford based Bricklaying & General Building company that operate throughout the Essex and South London...
From £88,232
Optimus Build Solutions delivers exceptional construction services in London and surronding areas. Specializing in bathroom and kitchen refurbishme...
From £86,416
Welcome to RTC Plumbers! With over 15 years of experience, we offer a range of plumbing services from simple repairs to complex installations, each...
From £87,176
Witton & Pearce Builders in Essex is a trusted extension builder serving customers in Canvey Island and the surrounding area. Contact us to today t...
From £86,456
Experienced extension builder ready to quote for your work. Capital Roofing Ltd is the best extension builder in Canvey Island. No obligation free ...
From £87,272
P OUGHTON BUILDING is an established and experienced local extension builder in Canvey Island. Please contact us for a free, no obligation quote an...
From £87,360
Need an Extension Builder in Canvey Island? Ellis & James Builders Limited has been helping local clients (20 mile radius) with their extension bui...
From £87,160
Property Maintenance are here to help customers who need an Extension Builder in Canvey Island. We offer a competitive rate to complete all your ex...
From £86,368
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From £87,248
Need an Extension Builder in Canvey Island? Danni Building Services Ltd has been helping local clients (10 mile radius) with their extension builde...

Building a granny annexe ranges from £86,368 (Rafs based in ME15) to £88,232 (Optimus Build Solutions based in Rm1), 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 - £17,593

Two storey extension - £88,139

Build a timber frame extension - £26,093

Build a swimming pool - £81,093

Single storey extension - £56,856

Side return extension - £42,544

Install an RSJ - £2,293

Outbuilding - £10,093

Build a Mansard loft conversion - £52,093

Loft conversion - £34,620

Build a kitchen extension - £42,093

Hip to gable loft conversion - £42,093

Granny annexe - £87,093

Garden office - £10,093

Convert a Garage - £16,093

Garage - £18,593

Build a flat roof extension - £22,093

Build a dormer loft conversion - £42,093

Concrete foundations - £6,343

Convert a bungalow loft - £29,093

Convert a basement - £38,544