Michael Irving was stabbed to death earlier this month
Michael Irving died following a fight in Byford Close on the evening of Tuesday, 3 September.
He had been stabbed and was pronounced dead barely an hour after emergency services were called.
Two 16-year-old boys and a 14-year-old have been charged with conspiracy to murder.
They are being held at a south London police station.
Two other boys, aged 15 and 16, had previously been charged with murder.
Tags: Newham, Stratford