Emergency services were called to a home in James Street to reports of a death yesterday just after 6.30pm.
A spokesman from Lancashire Police said: "The death was not suspicious."
Paramedics were also at the scene.
A spokesman from the North West Ambulance Service said: "We were called to a private house at 6.31pm to an address in James Street. We sent two Ambulances and a repid response vehicle. No one was taken to hospital."