The love affair with classic English Country Houses is synonymous with the novels of Woodhouse and the ultimate trophy for the wealthy land owner still.
The fashion for turning ruined castles into country houses was at its height in the early 1900s and it is just possible that Sir Martin Conway’s restoration of Allington Castle in Kent (funded by the inheritance of his American wife) might have caught Wodehouse’s attention.
http://www.countrylife.co.uk/features/the-country-houses-of-pg-wodehouse-80451