Energy company chief loses stamp duty battle over £5.2m Grosvenor Square flat James Lumley17/03/2023PrintDownload Oisin Fanning, the chief executive of oil and gas company San Leon Energy, has lost a long-running dispute with the tax authorities over a flat in London's Grosvenor Square. Fanning (pictured) bought the London flat in 2011 for £5.2m, making Thank you for reading EG Want to read more? Enjoy a story a week for FREE. Register Find Out More Already a subscriber or registered user? Sign in Legal news Related Articles On the horizon: let it snow The Tower One St George Wharf Ltd v Commissioners of HM Revenue and Customs The Tower One St George Wharf Ltd v Commissioners of HM Revenue and Customs Mudan and another v Commissioners of HM Revenue and Customs Mudan and another v Commissioners of HM Revenue and Customs