How to calculate the apportioned area?
In real estate transactions, the apportioned area is an important concept, especially when purchasing a commercial house. Home buyers need to clearly understand how the apportioned area is calculated. This article will analyze the calculation method of apportioned area in detail, and combine it with the hot topics and hot content in the past 10 days to help everyone better understand this concept.
1. What is apportioned area?

The apportioned area refers to the area of the common area in a commercial building that is used by all owners. This area will be allocated to each owner's property certificate according to a certain proportion. Common apportioned areas include stairwells, elevator rooms, corridors, public equipment rooms, etc.
2. Calculation method of apportioned area
The calculation of apportioned area usually follows the following formula:
| Project | Calculation formula |
|---|---|
| Apportionment factor | Apportionment coefficient = public apportionment area / total building area within the suite |
| Apportioned area | Apportioned area = built-up area × apportionment factor |
Here are examples of specific calculation steps:
| steps | Description |
|---|---|
| 1. Determine the public allocation area | Measure the total area of public areas such as stairwells and elevator rooms |
| 2. Calculate the total building area within the suite | The total built-up area of all owners’ apartments is added together. |
| 3. Calculate the apportionment coefficient | Public allocated area ÷ total building area within the suite |
| 4. Calculate the allocated area for each household | Building area within the suite × apportionment factor |
3. The relationship between hot topics and apportioned area in the past 10 days
Recently, discussions about apportionment of area have become quite popular on social media. Here are a few hot topics:
| hot topics | Content overview |
|---|---|
| “Should the shared area be cancelled?” | Some home buyers believe that the shared area increases the cost of purchasing a house and call for its cancellation; developers explain that the shared area is a necessary public facility. |
| "Amortized area calculation is not transparent" | Many home buyers reported that the calculation method of shared area was not transparent, resulting in the actual housing acquisition rate being lower than expected. |
| "The new version of the house purchase contract specifies the apportioned area" | Many places have introduced new regulations requiring developers to clearly indicate the calculation method and specific data of the apportioned area in the home purchase contract. |
4. How to avoid disputes over area allocation?
In order to avoid disputes arising from the sharing of area, home buyers can take the following measures:
| measures | Specific operations |
|---|---|
| 1. Read the house purchase contract carefully | Make sure that the calculation method and specific value of the allocated area are clearly marked in the contract. |
| 2. Consult a professional | Before signing a contract, you can ask a lawyer or real estate agent to help review the terms of the contract. |
| 3. On-site visits | Check the actual condition of the common areas on site and compare with the apportioned area data provided by the developer. |
5. Summary
Apportioned area is a part that cannot be ignored in the home buying process. Understanding its calculation methods and relevant regulations can help home buyers better protect their own rights and interests. The recent hot topic about shared area also reflects the concern of homebuyers on this issue. I hope that through the analysis of this article, everyone can understand more clearly how the shared area is calculated and make wise decisions when buying a house.
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