Police were called at 2.44pm on Friday, 15 January, to reports a man had collapsed on Penton Street.
Officers attended, along with the London Ambulance Service, and found a man unresponsive at the scene. He was pronounced dead at 16:03hrs.
The death is currently being treated as unexplained.
Police are in the process of informing next of kin. A post-mortem examination will be scheduled in due course and a file will be prepared for the coroner.
No arrests have been made.
Anyone with information is asked to contact police via 101, quoting CAD 3687/15JAN