Three men and a woman have been arrested on suspicion of the cultivation of cannabis after a drugs warrant was executed at Heathfield.
Officers went to a barn type property at Tower Street at around 7.50am on April 23.
They found several rooms had been sub divided into smaller rooms which contained around 100 cannabis plants as well as cannabis buds that were in the process of drying out.
The men, aged 25, 26 and 61, and a 56-year-old woman were arrested at the scene and all have been bailed until August 11 pending further enquiries.
Detective Constable Richard Holder, from East Sussex CID, said: “We will always work on intelligence from the local community about the production or dealing of drugs.
“Please do not hesitate to contact police if you have any concerns or alternatively you can leave an anonymous message with the independent charity Crimestoppers on 0800 111 555.”