[5] Tim Roca subsequently stood as the Labour candidate for Macclesfield in Cheshire at the May 2015 general election.

[citation needed] In July 2015, Roca was elected to represent Harrow Road ward (centred on the street of that name) on Westminster City Council in a by-election, thus becoming a Labour Councillor.

[6][7][8] He has served as Cabinet Member for Young People and Learning, and, until January 2024, as deputy leader of the council.

[9][10] Roca was selected as the Labour candidate for Macclesfield at the 2024 general election, and this time took the seat from the Conservatives, who had represented the constituency since 1918.

[2][11] Roca is openly gay, and his parliamentary candidacy was supported by the LGBT+ Labour Chris Smith List.