Isolated in the depths of the Norfolk countryside, tucked between Thetford and Diss, lies Riddlesworth Hall boarding school – originally built for wealthy banker Silvanus Bevan in 1792 as a gentleman’s country house but for the last 77 years, a term-time home to young children of the upper echelons of British society. However, in April, the school was forced to close its doors, admitting that it had failed to maintain the house and 12 acres of parkland due to “the impact of the pandemic and the current economic climate”. This week, it was put up for sale for ￡3m....