Electorate: 73,060

Stephen Doughty is the MP for Cardiff South and Penarth. Check out Stephen Doughty's Record on Climate.

What Happened at the July 2024 General Election?

What Might Happen at the Next General Election?

From recent opinion polls, VoteClimate estimates that if a general election happened today, the result in Cardiff South and Penarth would be as follows.

Based on predicted vote shares (Wales): Plaid Cymru: 35.4% | Reform: 29.3% | Labour: 11.1% | Conservative: 10.7% | Green: 6.7% | Liberal Democrat: 4.5%

[Last updated: June 2026]

For our full forecast of the next general election, please see our Electoral Analysis.