Cathays Lord Windsor) on 12 November 1766, he inherited great further lands including in Cathays to the north of his existing estate which he had partially had developed. He then bought other properties and farms, to the north and east, including what became Cathays Park. There he built Cathays House at a cost of £40,000 and at further cost landscaped Cathays Park. After his son took over the title he preferred to live in Cardiff Castle so demolished the house in 1815, and turned Cathays Park into purely enclosed parkland used for grazing. Following the 2nd Marquis' development of Cardiff Docks,
Fairwater, Cardiff has had many new developments built on the site. Peter Lea Primary and Fairwater Primary schools are in the area. Cantonian has produced several Welsh international football (soccer) players. In recent times Ryan Green (once Wales' youngest international), Jermaine Easter and Joe Ledley and, a little further back, John Toshack. Famous former pupils also include the model and Gary Lineker's wife Danielle Bux and director of the film Human Traffic, Justin Kerrigan. Fairwater Brook was a childhood haunt of Roald Dahl, who lived in Radyr and studied in nearby Llandaff. Fairwater Park, known locally as "The Dell" is the site