Just before 8.15pm emergency services were called to a unit complex on Milson Road, Cremorne following reports that a man had fallen from a balcony.

On arrival, the man was located on the ground suffering serious injuries.

The 31-year-old man was treated at the scene by paramedics before being taken to Royal North Shore Hospital, where he later died.

It's believed the man fell from a second floor balcony.

Officers from Harbourside Local Area Command established a crime scene, which is being examined by specialist forensic officers.

Detectives have commenced inquiries and are speaking with witnesses in an effort to establish how the man came to fall.