Great little cinema, hidden away in the basement of Aubin & Wills, London. Not exactly a fan of the brand but the cinema is pretty awesome. They show a variety of interesting films and have probably the comfiest seats including armchairs and sofas. Bit dear, but one of the best cinemas I've come across.
Beautiful architecture and setting, ideal place for catching the latest art-house flick or to enjoy evening tea and a journal session. Friendly staff, ambient atmosphere and a wonderful crowd.