Plaid Cymru Holds Strong While Labour Gets Burnham Bounce, New Poll Shows

A fresh political poll has thrown up some interesting results for Welsh politics, with Plaid Cymru maintaining solid support four months after May’s Senedd election, while Labour appears to be getting a lift from the so-called Burnham effect.

The new survey suggests that voters in Wales have not shifted dramatically since heading to the polls earlier this year, with Plaid Cymru continuing to hold its ground as a major force in Welsh politics. That kind of stability in the months following an election is not always guaranteed, and for the party it will be seen as encouraging news heading into the next political cycle.

Reform UK is also showing up strongly in the numbers, reflecting a pattern seen across much of Britain where the party has been picking up support from voters who feel let down by the traditional big two. Wales has not been immune to that trend, and the poll suggests Reform is continuing to make inroads with a section of the Welsh electorate.

But perhaps the most talked about finding is what people are already calling the Burnham bounce. Andy Burnham, the Greater Manchester mayor who has long been talked about as a future Labour leadership contender, appears to be generating a positive ripple effect for the party in Wales. Whether that translates into anything meaningful at the ballot box remains to be seen, but for a Labour party that has faced its share of headwinds lately, any good news is welcome.

Wales has its own distinct political landscape compared to England, with Plaid Cymru playing a role that no nationalist party really matches south of the border. The relationship between Labour and Plaid has defined much of Senedd politics in recent years, including a co-operation agreement that shaped the last Welsh Government. How that dynamic plays out going forward will be one of the key questions for Welsh political watchers.

Polls taken in the months after an election can often be a bit of a mixed bag. Voters sometimes drift back to parties they considered during the campaign but ultimately did not back, while others firm up their support for whoever they chose on election day. The fact that Plaid Cymru is holding steady rather than seeing a post-election dip will be taken as a positive sign by the party.

For Reform, the Welsh numbers are part of a broader picture of growth that the party has experienced across Britain. The question for them in Wales specifically is whether they can build the kind of local infrastructure and candidate base needed to turn polling support into actual seats in future Senedd and Westminster contests.

Labour, meanwhile, will be hoping the Burnham effect has some staying power. The party has been navigating a difficult period nationally, and positive associations with high-profile figures outside of Wales can sometimes help shore up support in devolved nations where the party still holds significant influence.

With the next Senedd election still a few years away, these numbers are more of a temperature check than a prediction. But in Welsh politics, where margins can be tight and the multi-party system means every percentage point matters, keeping a close eye on the polls is something all the parties will be doing carefully.