Ahmed Jama died after being found with stab wounds on the Abbey Estate last Friday.
He will appear in custody at Barkingside Magistrates’ Court on Wednesday, 3 January.
A man has appeared in court charged with the murder of Michael Patrick Afonso Peixoto in Croydon.
Amanuel Ehdego was convicted of multiple child sexual offences following a forensic and undercover investigation which straddled international policing jurisdictions.