Emergency services received a 999 call to go to Ladbrook Drive in the Ardoyne area around 7.20 pm.
The PSNI, fire crews and paramedics were at the scene.
But a man, said to be his 60s, tragically died.
A spokesman for the Northern Ireland Ambulance Service said: “We attended a fire call on Ladbrook Drive but did not take anybody from the scene.”
Police are now investigating the cause of his death.