Rachel Reeves’s flagship plan to overhaul the UK’s non-dom tax regime is facing an early blow after new analysis suggested far more wealthy residents have left the country than the Treasury forecast. According to consultancy Chamberlain Walker, around 1,800 non-domiciled individuals — 50 per cent more than expected — have exited Britain since the chancellor scrapped the system in April 2025. The analysis raises questions over whether the policy, designed to bring in £34 billion...









