He also confirmed police had attended a disorder incident at the property at 1.25am on Sunday.
"Enquiries into this incident are forming part of the ongoing investigation into Mr Tongia's death," he said.
"The community can expect to see a significant police presence in the area over the coming days, as we seek to provide reassurance to local residents and speak to potential witnesses."
He said they were speaking to several people in relation to the investigation, but asked anyone with further information to contact police.
"If you did hear or see something in the Percy Dyett Drive area at the time which may assist our enquiries, please contact Wellington Police via 105, quoting job number P044839711."
Information could also be provided anonymously via Crimestoppers on 0800 555 111.