Following the 2018 local elections, the council, which was previously Conservative-held, came under Labour control in the form of a minority administration supported by the Liberal Democrats in a confidence and supply administration. There were a few shock results, such as in Altrincham (ward), where the Green Party gained seats from the incumbent Conservative councillors. After gaining seats in the 2019 local elections, the Labour Party was in a position to form a majority-controlling administration.