 Konsa was an unused substitute on one further occasion during the 2015–16 season, which culminated in the Addicks' relegation to League One.Konsa broke into the first team squad during the 2016–17 pre-season and made his professional debut with a start in a 1–0 EFL Cup first round defeat to Cheltenham Town on 9 August 2016.He was a regular throughout the 2016–17 season and finished the campaign with 39 appearances.