Prince Edward and wife Sophie earned an undisclosed sum after renting out a unit in the grounds of their Bagshot Park mansion to the Royal Collection Trust.

The former prince gained income from privately subletting three cottages within Royal Lodge, a new report from the National Audit Office shows

The rent for Princess Beatrice's London apartment in St James' Palace and Princess Eugenie's cottage within the Kensington Palace grounds is picked up by the Privy Purse - the…