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How to calculate the area of ​​the public stall to 30 square meters?

2025-11-18 17:24:26 Real Estate

How to calculate the area of a public stall to 30 square meters: comprehensive analysis and hot data

In the past 10 days, the discussion about "pool area" has once again become a hot topic, especially "how to calculate the 30 square meter pool area", which has caused widespread controversy. This article combines the hotspot data from the entire network to provide you with a detailed analysis of the calculation rules of public stall area, the focus of controversy and actual cases.

1. What is the common area?

How to calculate the area of ​​the public stall to 30 square meters?

The shared area refers to the area of the entire building's public areas (such as elevator shafts, stairwells, corridors, etc.) allocated to each household. The calculation formula is:Shared area = building area × shared coefficient, the sharing coefficient is determined by the developer based on the architectural design.

Public stall areaCommon apportionment ratios
elevator shaft15%-25%
stairwell10%-20%
public corridor8%-15%

2. How to calculate the area of 30 square meters of public stall?

Assume that the construction area of a commercial house is 100 square meters and the shared coefficient is 30%, so the shared area is 30 square meters. The specific breakdown is as follows:

ProjectArea (square meters)
Inner area70
Pool area30
Sharing coefficient30%

3. Recent hot controversies

1.The share ratio is too high: The shared area of some properties accounts for more than 40%, causing consumer dissatisfaction.

2.International comparison: China is one of the few countries that uses shared area for calculation, while Europe and the United States mostly use the unit area for pricing.

3.Policy dynamics: In 2023, many places proposed pilot projects to “cancel the common pool area”, but they have not yet been promoted nationwide.

4. Analysis of actual cases

Case: A home buyer purchased a 120-square-meter house, but the actual apartment contained only 84 square meters (36 square meters for a shared apartment).

Expense itemsAmount (yuan/square meter)Total cost (yuan)
House price (including pool)20,0002,400,000
Actual unit price within the package28,5712,400,000

5. How to avoid the public trap?

1. Ask the developer to provideDetailed list of public stalls

2. Compare different propertiesSharing coefficient

3. Make it clear when signing the contractApartment area and common area

Summary: The calculation of the public stall area needs to be based on the specific architectural design plan. A 30-square-meter public stall may correspond to different internal areas. Consumers should be more vigilant, pay attention to policy changes, and safeguard their own rights and interests.

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