Officers from the Burnley Neighbourhood Policing Team were called to the property in Alder Street, off Padiham Road, where they seized a 'substantial cannabis cultivation' including over 200 plants and associated paraphernalia.
Inquiries are ongoing to locate the offenders.
A police spokesman said: "We need the public to continue to work with us to help tackle drug crime."
Anyone with information on suspicious activity in their community is asked to email [email protected]