An aircraft lavatory comprising an enclosure having a door, a first side wall, a rear wall, a ceiling, and a second side wall, wherein the second side wall includes a sink, the second side wall defining a plane and wherein the sink is inwardly disposed from said plane. To create space for a stowage compartment, an additional side wall parallel to, and adjacent to, said second side wall is formed. This space houses a stowage compartment accessible from outside said lavatory, the stowage compartment formed between said second side wall and said additional wall.