Officers seized 150 cannabis plants during the execution of a drugs warrant at around 3.30pm on Monday, May 8.
The warrant was executed at an address in Pegrams Road, Harlow, by officers from the Local Policing Team and Essex Operational Support Group.
The team were acting on reports that odours, suspected to be from the production of drugs, were coming from the property.
No arrests were made and enquiries are ongoing.
Anyone with information which could help the investigation is asked to contact Pc Trevor Arnold at Harlow and Loughton Local Policing Team on 101 or Crimestoppers anonymously on 101.