the Landmark Hotel, one of the most expensive hotels in London. November 2014, a gas explosion caused 14 injuries at the luxury Hyatt Regency Churchill Hotel Facts In March 2007 Westminster council released reports saying some of London's best known hotels had been considered a “serious danger to health” by environmental inspectors in previous years. The hotels were the Savoy, the Halkin, the Langham and the Dorchester. The Langham received confirmation from Westminster Council that "everything was in good order" in May 2006, and the Dorchester disinfected their air conditioning system in response to legionella bacteria found in bedrooms. In March 2011, London Hotels were the 8th most expensive in the world. In February 2015 London was said to be the most expensive city in Europe for hotel rooms judged by advertised rates. See also Lists of hotels – an index of hotel list articles on Wikipedia References London