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, Double Bay 1873 White bought "Cranbrook" (which was built for Robert Tooth in 1859), directly opposite "Fairwater". In March 1882, Francis Edward Joseph purchased the leasehold title from James White for the sum of A£500 (plus the annual rental of A£52). Joseph (1858-?) was the only son of Samuel Aaron Joseph (1824-1898), MLA and MLC. Joseph is generally referred to as a stockbroker by profession. Joseph adopted his wife's family name (Carnegy) in 1915 on inheriting the feudal barony of Lour in Angus, Scotland. "Fairwater" was constructed for Joseph in 1882 to a design by arguably the most original architect to practice