The sale process of Wagamama to The Restaurant Group cost £55.2m in exceptional administrative expenses, newly released accounts reveal.

Wagamama’s annual report for the period ended 28 April 2019 show turnover was up 11% to £326m during the period.

But it made a loss of £26.6m, due to the one-off expenses.

During the period, the brand opened six company operated sites, brining it up to 135 in the UK, including a delivery kitchen.