This webpage’s content is produced by the Environment Agency and kindly hosted by the Castle Point Borough Council - This page will be updated by the project between April to September 2025 only
Background
Canvey Island is very low lying with ground levels nearly two metres below the daily high tide level in the Thames estuary. This means that the entire island is at risk of tidal flooding which could impact more than 15,000 residential properties and this scheme will directly benefit over 6,000 of those residential properties. This risk is managed by 14 miles (23km) of tidal defences which provide a very high standard of protection and were built in response to the last tidal flood event to impact the island in 1953.
Find out more about flood risk on Canvey Island and who is responsible for managing flood risk. Also scroll below for more information on how tidal defences were built and about tidal surges.
You will get a warning of flood risk from rivers and the sea giving you time to prepare. You will be alerted by phone, email, or text when flooding is expected.
There are three levels of flood warning.
Prepare for flooding
Flooding of homes/businesses is possible
Deep fast flowing water/risk to life
Sign up online @ www.gov.uk/flood Or by phoning Floodline: 0345 988 1188 Or Textphone: 0345 602 6340
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