How to calculate the area of two floors
In the fields of real estate, architectural design and decoration, calculating the area of two floors is a common but confusing problem. This article will combine the hot topics and hot content on the Internet in the past 10 days to provide you with a detailed analysis of the calculation method of the two-story area, and provide structured data for reference.
1. Core principles of two-story area calculation

When calculating the area of two floors, the following three situations are mainly considered:
1.Building area:Total area including wall thickness
2.Used area: Actual usable net area
3.Projected area: The projected area of the building on the horizontal plane
| Calculation method | Contains content | Calculation formula |
|---|---|---|
| Building area | The total area of all floors + common areas | Floor area × 2 + public stall |
| Used area | Actual usable net area | (net area on the first floor + net area on the second floor) |
| Projected area | architectural horizontal projection | Building base area |
2. Area calculation for different building types
Based on recent hot discussions, we found that area calculations for the following building types have received the most attention:
| Building type | Computing features | FAQ |
|---|---|---|
| villa | Usually calculated based on the actual number of layers | Is the attic included in the area? |
| Duplex | Hollow parts are not included in the calculation | Stair area allocation |
| Self-built house | Calculated based on actual measurements | Eaves projection controversy |
| commercial building | Calculate strictly according to specifications | Controversy over sharing ratio |
3. Analysis of recent hot topics
According to network-wide data monitoring, hot topics regarding area calculation in the past 10 days have mainly focused on the following aspects:
1.The area of the real estate certificate does not match the actual area: Complaints from owners have appeared in many places
2.New rules for measuring area of self-built houses: Some regions have introduced new policies
3.Controversy over duplex residential area calculation: Should the hollow part be included in the calculation?
4.Standard area calculation for villa loft: Implementation standards vary from place to place
| hot topics | Discussion popularity | Main points of dispute |
|---|---|---|
| Difference in real estate certificate area | ★★★★★ | Measurement standards are not uniform |
| New rules for self-built houses | ★★★★☆ | Implementation issues |
| Complex hollow calculation | ★★★☆☆ | Developer algorithm controversy |
| Villa loft standard | ★★★☆☆ | There are obvious regional differences |
4. Professional suggestions and precautions
1.Measurement standards: It is recommended to refer to the standards of the local real estate department.
2.Contractual agreement:Be sure to clarify the area calculation method before purchasing.
3.Professional measurement: For important transactions, a professional surveying agency should be hired
4.Legal rights protection: If differences in area are discovered, rights should be safeguarded in a timely manner
According to recent case analysis, the main causes of area calculation disputes are:
| Cause of dispute | Proportion | solution |
|---|---|---|
| Measurement standards are not uniform | 45% | clearly agreed upon standards |
| Developer's false claims | 30% | third party review |
| understand the difference | 15% | Professional consultation |
| Policy changes | 10% | Keep abreast of new policies |
5. Forecast of future trends
Based on recent policy trends and industry discussions, it is expected that the following changes will occur in area calculation in the future:
1.Increased standardization: National unified measurement standards are expected to be released
2.Popularization of technology applications: 3D scanning measurement will be more widely used
3.Improved transparency: Developers need to provide more detailed area description
4.Smooth rights protection channels: The area dispute resolution mechanism will be improved
In short, the calculation of the two-story area needs to consider many factors. It is recommended to consult professionals during actual operations and pay close attention to local policy changes to ensure the accuracy and legality of the calculation results.
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