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How to calculate the square footage of a house

2026-01-11 05:52:20 Real Estate

How to calculate the square footage of a house

When buying, renovating or renting a house, calculating the square footage of the house is a very important step. Whether it is to understand the actual usable area of ​​​​the house or to plan the space reasonably, it is crucial to master the correct calculation method. This article will introduce in detail the calculation method of the square footage of a house, and combine it with the hot topics and hot content in the past 10 days to provide you with a comprehensive reference.

1. Basic concepts of house square footage

How to calculate the square footage of a house

The square area of a house usually refers to the building area, internal area and usable area. Here are their definitions:

area typedefinition
Building areaIncluding the apartment area and common area (such as stairs, elevators, corridors, etc.)
Inner areaThe net area between the interior walls of a house, excluding pool area
Used areaActual usable area, excluding wall thickness

2. Calculation method of house square area

1.Calculation of building area: The construction area is usually provided by the developer, and the calculation formula is:

Building area = apartment area + common area

2.Calculation of inner area: The area inside the house can be found by measuring the clear distance between the interior walls of the house. For example, for a rectangular room, the inner area = length × width.

3.Calculation of usable area: The usable area is the actual usable space, usually minus the wall thickness. The calculation formula is:

Used area = inner area - wall area

3. The correlation between hot topics in the past 10 days and the square footage of the house

Recently, hot topics about house area mainly focus on the following aspects:

hot topicsRelated content
house prices risingHome buyers pay more attention to the actual usable area to avoid suffering losses due to too large shared area.
Finely decorated roomDifference in area calculation before and after decoration caused controversy
Rental disputesConflict arises between tenant and landlord due to area discrepancy

4. How to avoid pitfalls in area calculation

1.Verify the data provided by the developer: When purchasing a house, be sure to ask the developer to provide detailed area calculation instructions, especially the shared area.

2.self-measurement: When renting or renovating a house, you can measure the actual usable area of the house by yourself to ensure it is consistent with the contract.

3.Understand local policies: Different regions may have different regulations on area calculation. Understanding them in advance can avoid disputes.

5. Summary

Calculating the square footage of a house may seem simple, but it actually involves many details. Whether you are buying, renting or renovating a house, knowing the correct calculation method can help you avoid unnecessary losses. Recent hot topics also remind us that the issue of area cannot be ignored, and we must fully understand and verify it before making a transaction.

I hope this article can provide you with useful information to help you become more comfortable in your home transaction!

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