The head of the Office for Budget Responsibility (OBR) has resigned from his post after the unprecedented Budget leak error.

OBR chairman Richard Hughes announced his resignation in a letter to Rachel Reeves and chairwoman of the Treasury Select Committee, on Monday to allow the watchdog to “quickly move on” from the leak of the Budget.

The UK chancellor delivered her Budget that raised taxes by £26 billion last Wednesday.

However, the announcement was overshadowed by the leak that saw the OBR publish its assessment of the economy and the chancellor’s plans hours before Reeves’ speech.

The OBR apologised, blaming a “technical error”, and Mr Hughes said an internal investigation had been launched to “get to the fundamental causes and make sure it doesn’t happen again”.

On Monday, the

See Full Page