How to know the actual area
In real estate transactions, renovation design or land surveying, it is crucial to know the actual square footage accurately. However, the actual area is often different from the advertised area due to issues such as measurement methods, calculation standards or opaque information. This article will combine the hot topics and hot content on the Internet in the past 10 days to analyze how to accurately obtain the actual area and provide structured data reference.
1. The difference between actual area and built-up area
The actual area usually refers to the net area available for use, while the construction area includes the shared area, wall thickness, etc. Here's a comparison of the two:
| Project | actual area | Building area |
|---|---|---|
| definition | Indoor net usable area | Including stalls, walls, etc. |
| Calculation method | Measure directly inside the wall | Calculated based on building outline |
| Purpose | Decoration and furniture placement | Real estate certificate registration |
2. How to measure the actual area
1.self-measurement method: Using a laser rangefinder or tape measure, measure the length and width along the inside of the wall and multiply to get the area. Note deductions for fixed furniture or unusable space.
2.Professional organization measurement: Entrust a qualified surveying and mapping agency to use professional equipment (such as a total station) for measurement, and the data will be more accurate.
3.View property information: Some real estate certificates or house purchase contracts will indicate the area inside the property (that is, the actual usable area).
3. Recent popular area dispute cases
In the past 10 days, area-related issues that have been hotly discussed across the entire network have mainly focused on the following aspects:
| event | Disputed points | solution |
|---|---|---|
| The shared area of a certain building exceeds 30% | Owners question the proportion of public sharing is too high | Developer announces detailed calculation basis |
| Second-hand housing transaction area shrinks | The actual measurement is 5㎡ less than the real estate certificate | Claim through legal means |
| Decoration company falsely reports area | The quoted area is 20% larger than the actual area | Refund after third-party retesting |
4. Practical suggestions for avoiding area disputes
1.Verify data before buying a house: The developer is required to provide detailed area calculation instructions, including the specific composition of the shared portion.
2.Sign a supplementary agreement: Agree on the method of handling area errors in the contract. For example, if the error exceeds 3%, you can check out.
3.Keep measurement records: During decoration or transaction, both parties shall jointly participate in the measurement and sign for confirmation.
4.Use technology: Some cities have launched official APPs, which can query accurate surveying and mapping data of real estate.
5. Differences in area calculation standards among regions
Different regions have different regulations on area calculation. The following is a comparison of the main differences:
| area | Balcony calculation rules | Bay window calculation rules | Sharing coefficient range |
|---|---|---|---|
| Beijing | Closed type is counted as full, open type is counted as half | Height <2.1m does not count | 18-25% |
| Shanghai | No matter closed, it is calculated as 50% | Depth ≤0.6m does not count | 20-28% |
| Guangzhou | Closed types are all counted, open types are not counted. | Height <2.2m does not count | 15-22% |
Conclusion
Understanding the actual area is not only related to economic interests, but also affects the living experience. Area disputes can be effectively avoided by standardizing measurements, carefully checking legal documents, and paying attention to local policy differences. It is recommended that before important real estate transactions, you must conduct a professional survey and review to protect your own rights and interests.
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