Emergency services were called to the building on Edgeworth David Avenue,in Hornsby,at 12.30pm where they found two wheelie bins alight. Upon extinguishing the bins,firefighters found the body of a man.
Police were called to Hornsby Professional Centre shopping complex after a body was discovered.
A crime scene was established and police are investigating the circumstance surrounding the man's death. The material inside the bins will form part of the investigation.
The man is yet to be formally identified.
More to come.