How to check the pool area
In recent years, the shared area has become one of the hot topics among home buyers. With the continuous development of the real estate market, issues of rationality and transparency of shared areas have gradually surfaced. This article will analyze the definition of shared area, controversy, policy background, and home buyers’ coping strategies to help everyone better understand this concept.
1. Definition and composition of shared area

The common area refers to the building area of the common parts jointly owned by the property owners of the entire building, including elevator shafts, stairwells, garbage lanes, transformer rooms, equipment rooms, public halls, corridors, basements, etc. The calculation method of the shared area varies by region and property, but it is usually expressed by the "shared coefficient".
| Public stall area | Common proportion |
|---|---|
| Elevator shaft, stairwell | 30%-40% |
| Public foyer, aisle | 20%-30% |
| Equipment room, transformer room | 10%-20% |
| Others (such as basement) | 10%-20% |
2. The focus of controversy over the area of public pools
1.Not enough transparency: Many home buyers do not know the specific composition of the shared area when signing a contract, resulting in the actual use area being inconsistent with expectations.
2.Sharing coefficient is too high: The share coefficient of some properties is as high as 30% or even higher, and home buyers need to pay for the unusable area.
3.Large regional differences: Different cities and different real estates have different calculation standards for shared area, and there is a lack of unified standards.
| city | average sharing coefficient |
|---|---|
| Beijing | 25%-30% |
| Shanghai | 20%-25% |
| Guangzhou | 18%-22% |
| Shenzhen | 22%-28% |
3. Policy background and reform trends
In recent years, many places have begun to explore the reform of public pool areas. For example, as early as 2002, Chongqing required commercial housing sales to be priced based on the area within the unit, while Guangzhou also piloted "zero public stalls" promotion in some real estate projects. In 2023, the Ministry of Housing and Urban-Rural Development once again proposed the initiative of “valuing based on the area within the apartment”, which triggered widespread discussion.
4. Home Buyers’ Coping Strategies
1.Clarify the composition of the pool: Before buying a house, be sure to ask the developer to provide a detailed list of the shared area and understand the proportion of each part.
2.Compare different properties: Choose a property with a lower share ratio, or give priority to properties priced based on the area within the unit.
3.Pay attention to policy trends: Pay attention to whether there are local policies on the reform of shared area to avoid losses caused by policy changes.
4.Rights protection awareness: If you find that there are unreasonable or false advertisements about the pool area, please report it to the relevant departments in a timely manner.
5. Conclusion
As a historical product of the real estate market, the issues of rationality and transparency of shared area need to be resolved urgently. Home buyers need to be more vigilant, view the shared area rationally, and look forward to further regulations at the policy level. Only a transparent and fair trading environment can allow home buyers to truly feel at ease when purchasing and live comfortably.
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