Section 117 in West Bengal Municipal (Building) Rules, 2007
117. Size of room.
(1)No habitable room shall have a floor area of 9.50 sq. m. except in the case of hostels attached to recognised institutions and in Industrial or Low Income Housing Schemes where the size of habitable rooms or the residence of a single person shall be not less than 7.45 sq. m.(2)A kitchen shall have a floor area of not less than 4.20 sq meters and shall not be less than 1.52 m in width in case of plots having an area up to 167,2 sq m and shall have a floor area of not less than 5.57 sq metres and shall not be less than 1.83 m in width in case of plots having an area of more than 167.2 sq m. In case of Industrial or Low Income Group Housing Scheme, the minimum floor area of kitchen shall be 3.4 sq m. A kitchen, which is intended for use as a dining room also, shall have floor area of not less than 9.29 sq m with a minimum width of 2.5 m.(3)Every bathroom shall have a floor area of not less than 1.80 sq m for which the smallest side shall not be less than 1.22 m and if a water closet room is combined with the bathroom, the floor area shall not be less than 2.80 sq.m and the smallest side shall not be less than 1.22 m. Every water closet shall have a floor area of not less than 1.10 sq.m. for which the smallest side shall not be less than 0.9 m. The minimum floor area of bathroom and water closet in the case of Industrial or Low Income Group Housing Scheme shall be 1.53 sq.m and 1.10 sq.m respectively.(4)A ledge or tand in a habitable roof shall not cover more than 25% of the area of the floor on which it is constructed and shall not interfere with the ventilation of the room under any circumstances.
