The four men and one woman were arrested last month.
Five people have been arrested following the seizure of suspected class A drugs.
Four men from Loughton, Harlow and Bishops Stortford, and a woman from Harlow, were held when police raided two properties on November 30.
Officers also seized suspected class A drugs from the Harlow properties.
Chelmsford Magistrates' Court have since granted closure orders on the houses in Morley Grove and Amhurst Lodge.
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