Police were called at about 9.45pm on Friday, 20 September, following concerns for the occupant of an address on Moselle Avenue, N22.
Officers attended and forced entry into the flat, where they discovered the man deceased.
He has been named as 40-year-old Marvin Dixon. His family have been informed and are being supported by specialist officers.
Detectives from the Specialist Crime Command are leading the investigation. A special post-mortem examination held on Sunday, 22 September, found the cause of death to be blunt force trauma.
On 22 September, a 36-year-old man was arrested in the Edmonton area on suspicion of murder. He remains in custody at a north London police station.
Detective Chief Inspector Neil John, Specialist Crime, said: “I would like to hear from anyone who has been to the flat in recent weeks and who may know the occupants – and also from anyone who saw anything suspicious in the area.
“It’s vital that we establish the movements of anyone who entered the property.”
Chief Inspector Lee Mckean, one of the senior officers responsible for policing Haringey, said: “We know that there will be genuine concern in the area and I would encourage anyone with information or concerns to speak with police. Additional officers will be in the area to support local people.”
Anyone with information is asked to please call 101 and quote reference CAD 8320/20Sep. To remain anonymous contact Crimestoppers on 0800 555 111.
