Shortly before 9am, officers carried out a pre-planned warrant under the Misuse of Drugs Act, at a premises in Bainbridge Road.
A cannabis cultivation was discovered, spanning numerous rooms at the property. There are estimated to be around 100 plants.
An investigation has now been launched, and officers remain on scene carrying out enquiries.
A force spokesman said: “It was also discovered that the electricity supply had been bypassed, causing a potential fire risk, this has now been made safe.”
If you want to report a crime call 999 if it is an emergncy or 111 if not.