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 incorrectly domiciled as located in the suburb of Point Piper. A Crown grant was part of Captain John Piper's Point Piper Estate officially granted in 1820. This grant was subsequently acquired by Daniel Cooper and Solomon Levy in 1830. The subdivision of this part of Cooper's estate, known as the Point Piper Estate, commenced in the mid 1850s. The first leasehold title to the allotment, which was to become "Fairwater", was made in January 1863 to Edwin Thomas Beilby. Beilby (-1906) was a businessman associated with many of the prominent Sydney financial institutions of the nineteenth century. The leasehold title