Duke of Westminster sells 15 bedroom Highland mansion for £450,000: Stunning lochside property once the social playground of Charles and Diana, Coco Chanel and Churchill He is the richest landlord in the UK with an estimated wealth of £9 billion, which at the age of 28 â¦ We are the residents of Cundy Street and Walden House and we need your help! The property group Grosvenor, owned by the Duke of Westminster, wants to demolish our homes. The Duke of Westminster, who is worth £6.6billion and is the country's biggest landowner, paid for four vice-girls in six weeks to visit his mews house in the West End of London. Chanel spent time at the house in the 1920s with her lover Hugh Grosvenor, the second Duke of Westminster The crumbling 22-room house set â¦ Coco Chanel and The Duke of Westminster at â¦ The Duke's spokeswoman said: "It is with the greatest sadness that we can confirm that the Duke of Westminster, Gerald Cavendish Grosvenor (64) died this afternoon at â¦ The Duke of Westminster owns more land than the Queen. Gerald Cavendish Grosvenor, 55, who is head of the Territorial Army, was said by the News of the World to have openly discussed military matters and Osama Bin Laden The duke, known to family and friends as Bendor (after his grandfatherâs Derby-winning stalion) was married to his second wife at the time, Violet Mary Nelson, and, after months of wooing Chanel, they began an affair. The Duke of Westminster owns more of Britain than the Queen, through an estate that can trace its history back hundreds of years. Hugh Grosvenor, Duke of Westminster Photographer: Max Mumby/Indigo/Getty Images Hugh Grosvenor , the seventh Duke of Westminster, is â¦ Hugh Richard Louis Grosvenor, 7th Duke of Westminster (born 29 January 1991), styled as Earl Grosvenor until August 2016, is a British aristocrat, billionaire, businessman, and owner of Grosvenor Group.He became Duke of Westminster on 9 August 2016, on the death of his father Gerald Grosvenor. The new seventh Duke of Westminster has inherited his father's £9bn estate at the age of just 25 and has been described as now owning "half â¦ This will destroy our community and uproot us from our homes. The petition says: âThe Duke of Westminster owns more land than the Queen. Fire â¦ Hugh Richard Arthur Grosvenor, 2nd Duke of Westminster, GCVO, DSO (familiarly "Bendor"; 19 March 1879 â 19 July 1953) was a British landowner and one of the wealthiest men in the world. The Duke's property group Grosvenor aims to demolish Walden House, which it leases to Westminster Council (Image: Phil Harris/Daily Mirror) Read More Related Articles.