When buying a house, we will first of all be concerned about the construction area and the use of the area, how to calculate the size of the housing area ? The building area of ​​a house is usually larger than the area of ​​house use. The contract for buying and selling real estate is generally based on the building area of ​​the house, and the building area of ​​the house is generally determined by the relevant department. How the construction area is counted is directly related to the total amount of commercial housing, and the area of ​​use is directly related to whether the room space of the buyers is large enough. Therefore, it is very important for the buyers to know how to calculate the building area and the use area. The following small series will be answered for everyone.
How to calculate the housing area
The floor area of ​​a house is the building area of ​​a house consisting of three parts: the area within the suite, the inner wall surface and the balcony area.
(A) The area of ​​use within the suite includes:
1. The sum of the door area of ​​the households, bedrooms, living rooms, restaurants, aisles, kitchens, bathrooms, fake floors, toilets, storage rooms, and closets;
2. The indoor staircase in the residential floor of the climax class shall be included in the area of ​​use according to the total area of ​​the natural layer;
3. Chimneys, ventilation ducts, and pipeline wells not included in the structure are all included in the use area.
(b) The set of internal wall areas includes:
1. The dividing wall between each set of new residential buildings, the dividing wall between the sets and the public building space, and the external walls (including the gables) are all shared walls. The wall is divided into the inner wall area of ​​the cover according to half of the horizontal projection area;
2. The horizontal projection area of ​​the non-shared wall wall shall be included in the inner wall area of ​​the cover.
3, the thickness of the interior wall decoration is included in the set of wall area.
(3) Balcony construction area:
1, the original design of the closed balcony, according to its peripheral horizontal projection area calculation of building area;
2. Pick the platform (bottom balcony) to calculate the building area by half the horizontal projection area of ​​the floor;
3, the concave balcony is counted into the construction area according to half of its war area (including the wall area of ​​the parapet);
4. Half-concave half-convex terraces, which are calculated based on one-half of the horizontal projection area of ​​the floor, are calculated from the floor area, and the recessed area is calculated based on half of the battle area.
How to calculate the total building area
Because the floor area is the settlement data for calculating the price of a commercial house, it is very important for home buyers to know how to calculate the floor area. Regarding how the total building area is calculated, the following eight aspects are specifically included:
1. The floor space of multi-storey or high-rise residential buildings is calculated as the total of the floor space of each floor. The floor of the building is calculated based on the external horizontal area of ​​the outer wall of the building and the second floor or above is calculated based on the horizontal area of ​​the external wall. .
2. The building area of ​​the basement, semi-basement, etc. and the corresponding entrances and exits shall be calculated according to the horizontal area of ​​the outer wall (excluding the lighting wells, moisture barriers and their protective walls) at the upper entrance.
3. Elevator shafts, extracting wells, garbage roads, and pipeline wells are all calculated according to the building's natural layer.
4. The single-storey building is calculated according to one story regardless of its height. The building area is calculated based on the external horizontal area of ​​the external wall of the building. For single-storey residences with interior floors (such as attics), the floor area should also be calculated.
5. Through the passages of the buildings, the halls and halls in the buildings are calculated according to one floor, regardless of the height. The corridor area of ​​the hall is calculated according to its horizontal projected area.
6. Use the deep foundation to make use of the underground aerial layer. When the height of the layer is 2.2 meters above the floor area, calculate the construction area by half of the horizontal area outside the aerial layer.
7. The enclosed balcony and proscenium are calculated according to the horizontal horizontal projection area of ​​the building. The floor area of ​​the balcony is calculated based on half the net area of ​​the balcony (including the balcony fence). Pick the balcony to calculate the building area by half of its horizontal projection area.
8. The technical level in residential buildings (placed with various equipment and repairs and maintenance), if the floor height exceeds 2.2 meters, the floor area shall be calculated according to the horizontal horizontal area of ​​the technical floor.
The above range of calculations does not cover all of them. There are also calculation requirements for stairwells, porch, and so on, which are very complicated. The residential building area is relatively complicated to calculate, not only regulations, but also very professional and technical. When consumers purchase a house, if they do not understand this, or if they are skeptical about the result of the calculation of the house purchased, they can consult a professional or request a special measurement agency to remeasure the calculation.
The above points are the relevant information on how the housing area is calculated by the Xiaobian for everyone. I believe we will have a certain understanding after reading it. If you still have those who want to know, you can check it out on our website.
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