Following a trial with Swindon Town, Balmy signed for the club on an initial one-year contract.[7] He was suspended by the club in April 2016 alongside Drissa Traoré and Brandon Ormonde-Ottewill, after pictures emerged on social media of the trio inhaling nitrous oxide gas.[8][9]
In October 2016, Balmy returned to Le Havre to join their reserve squad.[10]