[1][2][3] Born on 31 July 1988,[4] Roche was educated at Abingdon School where he was captain of the first XI and gained colours.
[5] He joined Hampstead & Westminster Hockey Club in the Men's Premier League Division of the EHL and subsequently was named as captain.
During the 2018–19 Men's Hockey League season he captained the team as they became English champions gaining revenge over Surbiton in the final.
[7] A second successive title challenge the following season was ended when the play-offs were cancelled due to the COVID-19 pandemic in the United Kingdom.
[8] His older brother Kieran Roche also played for Hampstead & Westminster in the Premier League from 2008 to 2011 after transferring from Team Bath Buccaneers in 2008.