The three charged with preparing for acts of terrorism are 29 year-old Richard Dart from Ealing, 21 year-old Imran Mahmood from Northolt and 26 year-old Jahangir Alom from Stratford.
22 year-old Ruksana Begum from Islington and 47 year-old Khalid Baqa from Barking are charged with possessing documents which had links to terrorism. All five will appear at Westminster Magistrates Court today.
More top news
The eagle-eyed resident spotted the mistake on signs just feet apart in south London.
The victim was attacked after bumping into a man at the ticket barrier at Putney Station.
The victim, who is his 40s, was found near the edge of palace grounds.