Embark on a Downton Abbey tour of London and delve into the lives of the Crawley family. Explore their London residence, Grantham House, located in St. James's Square. Uncover behind-the-scenes secrets, including the filming locations used to depict the exterior shots of the house in Westminster. Immerse yourself in the captivating world of Downton Abbey and gain insider knowledge on this intriguing London tour.