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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...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
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 ...

A flat roof extension ranges from the cheapest of £21,456 (Capital Roofing Ltd based in SS13) to the dearest of £22,360 (Ellis & James Builders Limited based in SS17), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in Canvey Island by posting a job with HaMuch. We'll send it to extension builders in Canvey Island.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Canvey Island | £39 | £256 |
| Build A Flat Roof Extension near Thundersley | £38 | £251 |
| Build A Flat Roof Extension near Rayleigh | £39 | £252 |
| Build A Flat Roof Extension near Southend-on-Sea | £37 | £247 |
| Build A Flat Roof Extension near Basildon | £39 | £251 |
| Build A Flat Roof Extension near Stanford-le-Hope | £40 | £254 |
| Build A Flat Roof Extension near Wickford | £39 | £255 |
| Build A Flat Roof Extension near Billericay | £38 | £248 |
| Build A Flat Roof Extension near Gillingham | £39 | £253 |
| Build A Flat Roof Extension 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