An election to the 56th Parliament of the United Kingdom for the constituency area of City Of Chester, held as part of the general election on 7 May 2015.
Labour gain from Conservatives by Chris Matheson with a majority of 93 - 0.2% - on a turnout of 68.7%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| MATHESON, Chris | Lab | 22,118 | 43.2% | 8.2% |
| MOSLEY, Stephen | Con | 22,025 | 43.1% | 2.5% |
| INGRAM, Stephen | UKIP | 4,148 | 8.1% | 5.5% |
| THOMPSON, Bob | LD | 2,870 | 5.6% | -13.5% |
Under section 13(b) of the Representation of the People Act 1985, a candidate gaining 5% or less of the vote share will forfeit their deposit.
An electorate of 74,485, having a valid vote count of 51,161 and an invalid vote count of 228.
Result declared at 07:15 on 8 May 2015.