The Notting Hill Carnival, a large annual street festival in west London that has attracted around 2 million visitors each August bank holiday weekend for six decades, is facing renewed calls for cancellation amid concerns over safety and rising public costs. The event, known as one of the world’s biggest street parties, has been criticized for increasingly violent incidents and substantial expenses borne by taxpayers.

Critics highlight what they describe as alarming levels of violence associated with the carnival, citing statistics including more than 75 stabbings and at least two murders over a ten-year period. Additional concerns include assaults on police officers—reported as 130 injuries over two consecutive years—and multiple sexual assaults during the event. Comparisons have been made to other large public gatherings, suggesting that similar incidents at events like the Boat Race, Pride, or St Patrick’s Day parades would provoke widespread public outcry and political scrutiny.

In financial terms, the costs of managing the carnival have escalated significantly. Local councils reportedly spend around £1 million on post-event cleanup, while the Metropolitan Police dedicated approximately £15.7 million to policing the event in 2025. City Hall has contributed £5.6 million this year for stewarding efforts, marking a sixteen-fold increase in taxpayer funding over the past decade. These combined expenditures total more than £20 million annually, raising questions about the sustainability and justification of public financing for a free-to-attend celebration marked by ongoing security challenges.

Proponents of the festival assert its cultural significance and community value, emphasizing its role in celebrating Caribbean heritage and fostering social cohesion. However, some voices argue that the persistent safety issues undermine these benefits and place undue strain on public resources. There are calls for government leaders, including the mayor of London and the prime minister, to take firmer action—potentially including cancellation or restructuring of the carnival—until effective measures are implemented to reduce violence and better manage costs.

This debate emerges as the event prepares to take place amid forecasts of possible thunderstorms, which some commentators have speculated could inadvertently reduce incidents by discouraging attendance. The broader discussion continues over whether the carnival can evolve into a safer, more sustainable event or if the scale and risk associated with it now warrant reconsideration of its future format.