"We are in the very early stages of our investigation and are still in the process of identifying the victim but believe it to be a 69-year-old man who lived at the address," police say.

Police have now located a man seen in CCTV footage, who they believe may have more information.

"The 29-year-old man who was located by police in central Auckland is now assisting us with our enquiries and we cannot rule out the possibility of charges being laid."