In the heart of the Cotswolds is Gatcombe Park, Princess Anne's private residence. A sprawling 1,263-acre estate hidden away deep in the Gloucestershire countryside, this is the one place Princess Anne can truly be herself. She transformed this damp and run down manor house into a beloved nine-bedroom family home, making it a cherished sanctuary not just for herself but for her children Zara and Peter too. But although this estate's proved to be a happy home for humans and horses alike, only a privileged few have ever been invited to visit... Until now.

When Charles III became king in 2022, he didn't just inherit the crown, he was also handed the keys to a multibillion-pound property portfolio. From spectacular castles and palaces to expansive manors and rambling farmhouses, he now has more residences than any other modern British monarch. This programme assesses worth of these royal homes around the nation and what is going to happen to these properties next as King Charles forges a fascinating legacy.