To effectively utilize the living space in which the bath space and the toilet space are located and widths for the entrance side and outer side are different. In a collective lodging facility having multiple living units A and B functioning as private rooms, the bath space 3 and the bed space 2 are located at the side opposite to the adjoining side of the two living spaces 2 and 3 and are arranged next to the other in the depth direction therein. On the adjoining side, two toilet spaces 4 and 4 are arranged in the depth direction making L-like line in the living units A and B: these toilet spaces 4 and 4 are accessible from the entrance from the respective living unit. In living unit A that is located at the curved section of the collective lodging facility and has the width that is greater than the width at the entrance, along the side of one wall D1 of right and left side walls D and D that separates the living unit from the adjacent living unit C, the first toilet space 4 then bath space 3 are arranged from the entrance and in the depth direction of the living unit C.