Residents in the area reported that police were present at Windmill Court today, along with a forensics team.
Lancashire Police spokesman said: “We were called around 9.40am today following a sudden death in Windmill Court, Eccleston.
“Emergency services attended after a man in his 70s had been found unresponsive at a property. He was sadly pronounced dead at the scene.
“The death is currently being treated as unexplained.
“An investigation is underway and enquiries are on-going.”