Mosley's political career began in 2000 when he was elected to Chester City Council. He was re-elected in 2004. He served as Executive Member for Customer Services. In 2005, he was elected to represent the Chester Overleigh Division on Cheshire County Council, and was Chairman of the Health & Adult Social Care Scrutiny Committee, Vice-chairman of the Community Services Scrutiny Committee and a member of the Cheshire Fire Authority.
Parliamentary career
Stephen Mosley was selected as the Conservative Parliamentary Candidate for the City of Chester Constituency in September 2007. He spent the next three years campaigning across the city and gained the seat from Labour with 18,995 votes (40.6%)[1] after defeating Christine Russell, who had been in office since 1997, with a majority of 2,583.[1] He served as a member of the Commons Science and Technology Committee.[2] He lost his seat at the 2015 general election to Labour's Chris Matheson by a narrow margin of 93 votes.[3]
Position on EU Referendum
During the House of Commons vote in October 2011 on a backbench motion for a bill to be introduced in the next parliamentary session to enable a referendum to be held on Britain's continued membership of the European Union, Mosley was one of 81 Conservative MPs who voted against the Government Whip to support a referendum.