A new pre-election model from YouGov suggests London’s political landscape is heading for one of its most unpredictable moments in decades, as voters drift away from traditional loyalties and towards a fractured, multi-party future.
This is one of the three pertinent points that YouGov’s decoding of the May elections brought forward following a nationally representative poll of over 2,000 adults, the other two points being:
- Voters are beginning to distinguish between politics at the national and local levels and that could have significant implications for elections across the country.
- In Scotland and Wales, projections show nationalist parties performing strongly, topping the ballot in Wales.
A “seismic” shift in London’s political balance
About the shifts in London politics, Patrick English, Head of Elections and Political and Social Data at YouGov, speaking for YouGov panel,said that the latest projection for London is sisemic. He explained, “We could see councils falling out of control and changing hands.
“The Labour Party is projected to be down 16 points compared to 2022. The Green Party of England and Wales is up 11 points, making it the main beneficiary of Labour’s decline. The Conservative Party (UK) is likely to have a frustrating night, performing well in some areas but being heavily challenged by Reform UK in others. As seen in 2024, Reform is eroding Conservative support, allowing other parties to win on lower vote shares. That dynamic is likely to limit what might otherwise have been a stronger Conservative performance, with Nigel Farage’s party playing a decisive role.
“The Liberal Democrats (UK) appear broadly unchanged from 2022. “Others” are particularly interesting: while they remain at around 6% of the vote, their support is expected to be more efficiently distributed this time. This is because they are not contesting as many councils or seats, and the model explicitly accounts for where candidates are standing—potentially making these projections more accurate at the borough level.
“Looking more closely at Labour’s position, a number of councils appear to be “in trouble.” While we are not projecting control, the scale and spread of these challenges are notable, covering both inner and outer London. These include Barnet, Westminster, Redbridge, Brent, Ealing, Greenwich, Hackney, Haringey, Islington, Lambeth, Wandsworth, Enfield, Hounslow, Newham, Merton, and Barking and Dagenham. This suggests a broad-based decline rather than one confined to specific parts of the capital.”
No party is safe
At the heart of the projections lies a simple but striking reality: no party is safe. Labour Party, long dominant across the capital, is forecast to suffer steep losses, with its vote share dropping sharply compared to 2022. While it may still top the overall London vote, it is doing so with barely a quarter of the electorate, a far cry from its once-commanding position.
The primary beneficiaries of this shift are the Green Party of England and Wales and Reform UK. The Greens, buoyed by a steady rise in support across inner London, are now within touching distance, or even ahead, in multiple boroughs. Reform UK, meanwhile, is carving into both Conservative suburbs and Labour heartlands, reshaping contests in places once considered politically immovable.
Even traditional strongholds are under threat. Boroughs like Barking and Dagenham, Labour-controlled since their creation, now appear competitive, while eastern districts such as Newham and Redbridge are witnessing a surge in independents and smaller parties.
Across the city, the numbers reveal a deeply divided electorate. In nearly half of London’s 32 boroughs, the gap between first and second place is five points or less. In some, three parties are locked in near-dead heats. The familiar two-party structure is giving way to something far more volatile, five parties, all polling in double digits, competing in a system never designed for such fragmentation. London Mayor, Sir Sadiq Khan has admitted that polling pointing to heavy losses for the Labour Party is “scary,” urging voters not to channel their dissatisfaction with the national government into punishing local councils.
For the Conservative Party (UK) and Liberal Democrats (UK), the outlook is steadier but hardly reassuring. Both are expected to hold much of their existing ground, yet neither appears poised for major expansion. Instead, they risk being squeezed in an increasingly crowded field.
A wider political tremor
Beyond London, the tremors are just as significant. In Wales, Labour’s century-long dominance faces an unprecedented challenge, with Plaid Cymru and Reform UK running neck-and-neck. Political scientist and Director of UK in a Changing Europe, Anand Menon pointed to it in his recent conversation with Asian Voice saying, “I think one of the factors with real political resonance is the possibility of Labour losing in Wales. That would be seismic, as Labour has never lost there before.”
Dan Bloom, Political Editor for Politico UK, at the same panel, reaffirmed this, saying, “Although Plaid is currently neck and neck in the polls, it is better positioned to form alliances. By contrast, Reform UK has far fewer potential partners, with the Conservative Party (UK) its most obvious ally—and they are not polling strongly.
“If this trend holds, it could mark the most significant political shift in over a century. Labour has topped every election in Wales for more than 100 years, so losing that position would be historic.”
In Scotland, the Scottish National Party could secure power despite a slipping vote share, thanks to a divided opposition. What ties these developments on the local front, Wales and Scotland together is a broader political mood, one defined by dissatisfaction, volatility, and a willingness to experiment. Voters may distrust the major parties nationally, yet still lean on them locally, creating a paradox that makes outcomes harder than ever to predict.
Sam Coates, Deputy Political Editor, Sky News, also speaking at the panel, said, “I’ll be trying to draw national conclusions from these results and it makes me wonder whether the real story of this election is that politics is, in fact, not local at all.
“The YouGov data on Scottish Parliament voting intention over the past four years showed Labour Party in a strong position, until Labour took power at Westminster, at which point their support dipped sharply. The same pattern appears in Wales: Labour was ahead, entered Downing Street in 2024, and then saw its position weaken.
“So, while we often say politics is local, what I see, looking across the country through polling and analysis, is the national picture having a profound impact on local outcomes. This election may ultimately hinge on perceptions of the government’s performance.”
At this point, one conclusion stands out: British politics is no longer a binary contest. It is a crowded arena where insurgents can rise quickly, loyalties can collapse overnight, and control of entire councils may hinge on razor-thin margins.

