Police are investigating the suspicious death of a man in the Auckland suburb of Hillsborough.
Police say Damien Loder Allen, was found dead on 24 September and emergency services were called by others at the property.
A post-mortem has revealed Mr Allen, 33, died as a result of a head injury. Police are waiting for the results of toxicology tests.
Police are interviewing the house's occupants and others to try to establish what took place in the 24 hours before the discovery of Mr Allen's body.