The young goalkeeper switched international allegiance to England in early 2017 and was part of the Young Lions squad that won the UEFA European U19 Championship in June of the same year.
In the 2017/18 season, he started five of West Ham’s opening six Premier League 2 Division 1 fixtures, conceding just seven goals and keeping a clean sheet against reigning champions Everton.
He signed a new four-year contract with the Hammers in March 2019 and moved on loan to AFC Wimbledon in June 2019. He made his debut for the Dons on 17 August in a 1–1 home draw with Accrington Stanley.
On 23rd January 2021, Trott made his senior debut, as a substitute, for West Ham in a 4–0 FA Cup win against Doncaster Rovers.