On September 23, 2026, David Miliband added his voice to calls for reversing Brexit, stating that leaving the European Union has proven to be exactly the ongoing hardship he had predicted, and calling for action to address the damage.
On September 23, 2026, former UK foreign secretary David Miliband described Brexit as leaving Britain 'impotent—a bobbing cork in the sea,' calling for a new UK-EU deal to repair the damage and mounting pressure to reverse the decision.
On 13 September 2026, former British chancellor George Osborne stated that the UK's economy has fallen significantly since Brexit and argued that rejoining the EU customs union would be the fastest path to recovery.