Following a raid by police in November two men have been charged.
More than 70 grams of cannabis, as well as cash, was seized in a raid at an address in Shelfanger Road on November 22.
Police detained five men at the scene, who were questioned by Bury Police Investigation Centre.
Two men have since been charged, while the other three have been dealt with by a police caution and fixed penalty notices.
Jack Bushnell and Matthew Chapman, both 23 and of Shelfanger Road in Diss, will appear at Norwich Magistrates Court on Friday, February 7.
Mr Bushnell faces one count of possession with intent to supply cannabis while Mr Chapman was charged with possession of the class C drug ketamine.
A 23-year-old man received a formal caution while two other men, aged 23 and 24, were issued with fixed penalty notices for drug possession.