Belton House features heavily in "Queen Charlotte", with different parts of the property in Lincolnshire acting as both the individual homes in which Charlotte and George reside.
Its gardens serve as the gardens of Buckingham House, while its interior is used as the inside of Kew Palace. This includes the scenes set in King George's bedchambers, and the ones in Dr Monro's lab.
The house, which is another National Trust property, was super excited to welcome the cast and crew, as seen on their social media. While it boasts a world-renowned library and art collection, its grounds also include 1,300 acres of parkland that are home to deer and sheep, as well as an outdoor adventure playground for the kids.