Collections: There were once two Tiepolo canvases in the collection at Llanarth: "The Healing at the Pool of Siloam" and "The Woman Taken in Adultery" (the latter is today in the collection of the National Museum Wales).

John Preston (J.P.) Neale, published under the title of Views of the Seats of Noblemen and Gentlemen in England, Wales, Scotland, and Ireland, among other titles: Vol. II, 1819.

House Listed: Grade II*

Park Listed: Not Listed

Past Seat / Home of: Philip Jones, 18th century; John Jones, 19th century. Major-General Ivor John Caradoc Herbert, 1st Baron Treowen, until 1933.

Current Ownership Type: Corporation

Primary Current Ownership Use: Hospital / Care Home / Recovery Center

Ownership Details: Today a private hospital

House Open to Public: No

Historic Houses Member: No