The Metropolitan Police was alerted to reports of a death at a property in Wellmeadow Road at around 1am on August 24.
Officers were dispatched alongside the London Ambulance Service, where they located an 87-year-old.
He was pronounced dead at the scene, with a post-mortem revealing his cause of death as compression of the neck.
His next-of-kin have been informed and are being supported by specially trained officers.
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On August 26, Vasile Iosebica of Wellmeadow Road was arrested on suspicion of murder and subsequently charged.
The 47-year-old suspect was known to the victim, who remains unnamed.
Iosebica will appear at Bromley Magistrates’ Court today (August 26).