Charlery obtained legendary status in his first spell at Peterborough United by scoring two goals in the 1992 3rd Division Play Off Final including an 89th-minute winner.
[3] Ken left Posh in the 1992–93 season to sign for Watford but returned the following year for a second spell at the club but was unable to save them from relegation to the old Second Division.
[3] He was named as captain by new Posh manager, John Still for the 1994–95 season; he was voted player of the year, the second time he'd received the accolade.
Charlery returned to Harrow Borough, where as assistant manager, he helped them gain a place in the play-offs of the Isthmian League Premier Division in 2010–11.
[5] After being dismissed in January 2017 despite the club being in a respectable mid table position he became the owner of London Colney as well as being becoming first team manager.