A fire at a house in Blackburn where the occupant was later found dead was not suspicious, police have said.
Julie Richardson, 54, was found at the property in Glendale Drive, Mellor, on Thursday afternoon.
Lancashire Police said a detailed forensic examination had now established there were no suspicious circumstances.
Officers have concluded the investigation and a file will now be prepared for the coroner.
Det Insp Mark Winstanley said: "This is a tragic incident and our thoughts go to Julie's family and friends at this sad time."