Herbal cannabis was seized during the search on Friday, 1 August at the home in Hillhead Gardens, Banbridge, Co Down.
A 24 year old female and 26 year old male were arrested for possession of Class B drugs, possession of Class B drugs with intent to supply and being concerned in the supply of Class B drugs.
The 26 year old man was later released unconditionally and the 24 year old female was released on bail pending further enquiries.
Inspector Nigel Graham, Banbridge Neighbourhood and Response, said: “This seizure is a direct result of the community working with us to tackle the issue of drugs and I would like to thank local residents for their ongoing support.
“We hope that this sends a clear message to anyone who is involved in the supply or use of illegal drugs – we will act on all information we receive and we will make arrests and bring you before the courts.”
Anyone with information about criminal or antisocial activity should contact police in Banbridge on the 101 non-emergency number.