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World War II caisson, West Knock sandbank, Shoebury Ness is a reinforced concrete defensive structure constructed during the Second World War as part of Britain's coastal fortification programme. The caisson, positioned on the sandbank at Shoebury Ness in Essex, represents the engineering responses developed to protect against potential enemy invasion and to control the waters of the Thames Estuary. Dating to the early 1940s, the structure exemplifies the substantial concrete works deployed along vulnerable stretches of the British coastline during wartime. The caisson remains an archaeological witness to the urgent defensive preparations undertaken by Britain during the critical phases of the conflict.
World War II caisson, West Knock sandbank, Shoebury Ness is a scheduled monument protected by Historic England under reference 1021090. View the official record →
World War II caisson, West Knock sandbank, Shoebury Ness is a reinforced concrete defensive structure constructed during the Second World War as part of Britain's coastal fortification programme. It is designated a Scheduled Ancient Monument by Historic England (NHLE) under reference 1021090.
World War II caisson, West Knock sandbank, Shoebury Ness is a Scheduled Ancient Monument, legally protected by Historic England (NHLE) — the body responsible for designating and safeguarding heritage sites in England. The official designation reference is 1021090.
Several scheduled monuments lie within 10 km, including Defended prehistoric settlement at Shoeburyness, known as the Danish Camp (2.7 km), Cold War defence boom, Pig's Bay, Shoeburyness (3.9 km), Southchurch Hall moated site (4.1 km).
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