Police are continuing investigations and a post-mortem examination is due to be carried out on the person who died in Remuera yesterday.
A police spokeswoman said there would not be an update on the situation until that post-mortem was completed today.
Police officers and forensic staff were spotted at a property as early as 8am yesterday, according to neighbours.
The circumstances of the death have not been released by authorities and officially, it is being treated as an "unexplained death."
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Second unexplained death reported
It was the second unexplained death reported yesterday; after police confirmed they were investigating a death at a property in Seddon Rd, Frankton, in Hamilton.
St John confirmed paramedics were called to a private property about 2.40am. They treated someone who had suffered a "medical event", a spokeswoman said.
Police said this morning they were still treating it as an unexplained death.
"Police are working to establish the circumstances."