5 Hertford Street Ltd is a private member's club located in Mayfair, London. The club was established in 2012 by Robin Birley with the aim of carrying on the Birley family traditions of style and elegance with a team that consistently deliver personal exceptional service to the club's members and their guests. 5 Hertford Street comprises five floors which accommodate Loulous nightclub, four restaurants, four bars, a private dining room, cigar shop, a courtyard and a roof terrace.