An election to the 56th Parliament of the United Kingdom for the constituency area of Cynon Valley, held as part of the general election on 7 May 2015.
Labour hold by Ann Clwyd with a majority of 9,406 - 30.9% - on a turnout of 59.3%.
Candidates
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 51,422, having a valid vote count of 30,472 and an invalid vote count of 83.
Result declared at 03:47 on 8 May 2015.