Highly rated as a youngster in his native Ireland Callan-McFadden joined the academy at Norwich City at the age of sixteen after impressing on trial.[1] In 2013, Callan-McFadden won the FA Youth Cup with Norwich, playing 90 minutes in both legs of the final against Chelsea.[5][6] He made his first team debut for the Canaries on 28 July 2014 in a friendly against OGC Nice.[7] He made his professional debut in Norwich's 3–1 League Cup second round victory against Crawley Town on 26 August 2014, playing the full 90 minutes.[8] However, he was released by Norwich at the end of the 2014–15 season.[9]