Merseyside Police says officers were in the Thornton area this afternoon (Monday) after a sudden death.
Emergency services were called to Runnells Lane at around 12.45pm to a report of a body of a man in his 30s being found in a house. The man was pronounced deceased.
Enquiries are ongoing to establish the circumstances.
His next of kin have been informed. His death is not initially believed to be suspicious.