The robberies happened on Bastable Avenue, one of which was interrupted by officers leading to a police chase.
On the week of April 7, officers on patrol stumbled on a robbery by a group taking place, with the suspects running off.
Officers caught and arrested two suspects.
On April 13, four men were arrested on suspicion of two separate knifepoint robberies on Bastable Avenue.
Officers added that a knife and victims’ property had been found.
In the latest update, four men were charged today (April 15) with two offences of robbery.
Their names and ages have not been revealed by the Met Police.