February 09, 2021 - 11:38 GMT Bridie Wilkins Kate Middleton's brother-in-law James Matthews, married to Kate's sister Pippa, previously lived at a truly jaw-dropping townhouse in London's Mayfair. Hedge fund manager James bought the home when he was 22 with his brother in 1998 for £1.75million. When he sold it in 2006, it went for £12.75million and by 2017, it had skyrocketed to an estimated worth of £40million.
RELATED: Inside Kate Middleton and Prince William's beautiful country retreat where they are currently living "My parents organised most of the conversion work and the decoration. When we bought the house, all the rooms had been used as offices. It was cold with large empty rooms, no carpets and no bathrooms. The refurbishment has worked as well as we could have hoped."