Is the balcony of a house counted as floor area How is it calculated?

As to whether balconies are counted as construction area and how to calculate it, there are the following provisions: for closed balconies, the construction area is calculated according to the horizontal projection area of its periphery; The floor area of the balcony (bottom balcony) is calculated as half of the horizontal projection area of the bottom plate; The construction area of the concave balcony is calculated as half of its net area (including the area of the baffle wall); For the half-raised and semi-concave balcony, the construction area shall be calculated according to half of the horizontal projection area of the bottom plate for the protruding part, and the construction area shall be calculated according to half of the net area of the recessed part.

Hello, balconies are divided into closed balconies and open balconies, according to the "rules for calculating the construction area" promulgated by the state, the construction area of the open balcony is calculated according to half of the horizontal projection of the enclosure structure, if it exceeds, the part that exceeds is calculated as the entire construction area. The closed balcony must calculate the construction area, and the standard of the closed balcony is that the open area of the balcony is small, and the width of the room is 1 3, and the height of the enclosure wall is more than 1 5 meters below the open surface of the balcony.

The building code for the house states:

The balcony within the main structure shall be calculated as the full area according to the horizontal area of the outer perimeter of the structure.

The balcony outside the main structure should be calculated according to the horizontal projection area of its structural bottom plate1 2 area.

Terraces are not counted as floor area.