What are the floor area ratio and pool area?

The plot ratio refers to the ratio of the total construction area to the land area in a residential area, and the construction areas such as underground parking garages and overhead open buildings may not be included in the plot ratio calculation.

The apportioned area mainly includes: first, the construction area of public and management rooms that serve the whole building functionally, such as elevator machine room, stairwell, garbage chute, power distribution room, equipment room, public hall and aisle, basement and guard room on duty; Two, suite (unit) and public building space between the partition wall and the external wall (including gables) of the horizontal projection area of half.

However, basements, garages, etc. , has been sold or leased as an independent space, should not be included in the public construction area. As a civil air defense project, the basement is not included in the public building area. The final public building area to be apportioned refers to the remaining area after subtracting the sum of the building area of each set (unit) of the whole building from the building area of the whole building, and then subtracting the building area of the basement, carport and civil air defense projects that have been sold or rented as independent use space, which can be apportioned to the purchase price. In addition, the area of other public buildings is not included in the pool area, and its expenses are not included in the purchase price.

In addition, the building area of stairs has been calculated, regardless of whether the space below it is used or not, the building area is no longer calculated; The ground floor of the building facing the street or under the porch is used as a public street, regardless of whether there are columns or maintenance structures, the construction area is not calculated; The construction area of outdoor stairs is maintained according to the sum of the horizontal projection areas of each floor, and the construction area is not calculated; Similar architectural calculation of balcony, cantilever corridor and eaves gallery that are not connected with the interior. The height should be more than 2.20 meters; The roof of the house is of inclined structure, and the building area is not calculated if the height is less than 2.20 meters.