More than 30 cannabis plants have been found at a house in Great Harwood.
Police executed a warrant at the property on Segar Street at around 8.30am on Tuesday, November 7.
More than 30 cannabis plants were found in an upstairs room.
No arrests have been made.
A Lancashire Police spokesperson said: “We carried out a warrant on Segar Street and found a cannabis farm.
“An engineer from Electricity North West has attended.”
Anyone with information call police on 101.