[3] It then passed down the Williams family line, being inherited by a senior physician at Chichester Infirmary, Dr Joseph McCarogher, in 1848.

[4][8] After being owned by the artist, Walter Ernest Tower,[9] in the early 20th century, it was acquired by West Sussex County Council for use as a meeting place and administrative centre in 1916.

[10] The name was changed again in 1993, this time to Edes House, after a historical analysis by the county archivist, Francis Steer, discounted the theory that Wren had designed the building, on the basis that he was wholly employed designing St Paul's Cathedral at the time.

[4] In October 2018, the Duke and Duchess of Sussex visited the building where they viewed an original copy of the United States Declaration of Independence, which had been uncovered in the County Archives.

[4] Works of art in the building include a series of watercolour paintings by the local artist, George Herbert Catt (1869–1920),[11][12] who lived at the Depot House in Chichester.