He will appear by virtual court at Camberwell Green Magistrates Court later today.
At approx. 08:15hrs on Sunday 13 February, police were called to an address in Empire Square, SE1.
Inside the premises officers discovered the bodies of two children – a girl aged 10 and a boy aged eight. They were pronounced dead at the scene. Next-of-kin have been informed. Post-mortem examinations will be conducted in due course.
The incident is being investigated by officers from the Child Abuse Investigation Command.
A 61-year-old man was arrested on suspicion of murder and charged as above.