In the first-ever episode of 'Notes on a Set', 'The Crown' production designer, Martin Childs, breaks down the locations and sets used for filming scenes in Season 2. Childs explains how his team used Lancaster House and Wilton House to represent rooms in Buckingham Palace as well as other designs to step in for the HMY Britannia and Tony's studio. Childs won an Oscar for his work on 'Shakespeare in Love', and received an Oscar nomination for 'Quills'.