The other location used as Kew Palace in "Queen Charlotte" is Waddesdon Manor in Buckinghamshire. Built by Baron Ferdinand de Rothschild in the late 1800s to entertain fashionable society and display his art collection, the house is featured as the exterior of Kew Palace; this includes the botanical gardens, conservatory, and field. It has been open to visits from the public since 1959. The property also houses a walled garden and an extensive wine cellar.
It has also been used as a filming location for Amazon Prime's "Cinderella", "The Crown", and Netflix's remake of "Rebecca".