During the North Sea flood of 1953 , Jaywick was flooded , resulting in the deaths of 35 people . Since then , sea defences have been put in place and many precautions have been made to avoid flooding . Coastal Jaywick has benefited from 30,000 cubic metres of dredged sand as part of a £ 9.4 million upgrade . The residential areas are categorised as having the highest risk of flooding in the country , and a council report anticipated that global warming would increase the risk to human life in Jaywick from flooding over the next 50 to 75 years . The area would be the first to be hit by floods in the event of a tidal surge over the marshes surrounding St Osyth
North Sea flood of 1953
North Sea flood of 1953
Jaywick