Police were called after a resident reported noises on her property.
Officers on the ground and the police helicopter carried out a search of the grounds at Plains Road, Little Totham, at 9.30pm yesterday.
An Essex Police spokesman said: "The homeowner reported suspicious activity at her property.
"She said she could hear noises on her property.
"Officers arrived and carried out a search of the grounds, but couldn't find anything."
Officers left the scene at 10pm.
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