How is the pool area calculated?

The pool area is calculated according to the horizontal projection area of elevator shaft, pipeline shaft, stairwell, garbage chute, power distribution room, equipment room, public hall, walkway, basement and guard room on duty. And the construction area of the public service room and management room of the whole building.

According to Article 5 of the Rules on Calculation of Commercial Housing Sales Area and Allocation of Public Building Area, commercial housing is sold as a "suite" or "unit", and the sales area of commercial housing is the sum of the interior or interior building area (hereinafter referred to as interior building area) purchased by the purchaser and the public building area to be allocated. Sales area of commercial housing = interior construction area+shared public construction area.

Extended data:

Article 8 of the Rules for Calculating the Allocation of Commercial Housing Sales Area and Public Building Area consists of the following two parts:

1. The construction area of public and management buildings that serve the whole building in terms of elevator shaft, stairwell, garbage chute, power distribution room, equipment room, public hall and aisle, basement and guard room on duty;

2. Half of the horizontal projection area of the partition wall between the suite (unit) and the public building space and the external wall (including gables). Article 9 Principles for calculating the area of public buildings.

Basement, garage, etc. Has been sold or rented as an independent use 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 public building area is calculated according to the following method: the total building area of the whole building is subtracted from the total building area of each set (unit) of the whole building, and then subtracted from the building areas such as basement, carport and civil air defense works that have been sold or rented as independent use space, which is the public building area of the whole building.

Ministry of Housing and Urban-Rural Development of China-Calculation Rules for Allocation of Commercial Housing Sales Area and Public Building Area

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