Ashdown House is a 17th-century Grade I-Listed country house in the civil parish of Ashbury, Oxfordshire. Until 1974 the house was in the county of Berkshire, and the nearby village of Lambourn remains in that county.Ashdown House is associated with the “Winter Queen” Elizabeth of Bohemia, the older sister of Charles I. Along with his house at Hamstead Marshall, it is said that William, the firs..