Reform UK has not collapsed, but its huge polling leads have disappeared. We examine whether leadership doubts, immigration rhetoric and culture-war politics may now be limiting its reach. Reform UK has not collapsed. It remains one of the largest forces in British polling and far above the vote share it secured at the 2024 general election. But the picture is no longer the one that dominated political conversation through much of 2025, when some polling.

Polling, internal rows and a difficult summer have challenged Reform UK’s image of unstoppable momentum. Farage remains the party’s defining figure, but that is also the risk: when one man is the brand, every problem lands on him. For much of its rise, Reform UK benefited from a story almost as powerful as any individual policy: momentum. The party was growing, the old parties were retreating and Nigel Farage seemed to dominate the political conversation..