How the Housing Authority maps the interior area of a house

1. Implementation standards for area calculation.

Issued by the State Bureau of Quality and Technical Supervision on 2000-02-22 and implemented on 2000-08-01, the National Standard of the People's Republic of China "Code for Real Estate Surveying" GB T.

Second, the method of housing measurement.

1.Measure the length of the entire house around the perimeter.

2.Measure the indoor side length of the house (subject to the inner wall) and the thickness of the wall from house to house, and take the reading to the meter.

3. Identification and measurement of common parts.

1.Measure the side length of the stairs, corridors and other common parts of the whole house.

2.Identify the common parts of the entire house that can be included in the area apportionment of the house.

4. Calculation of the area of the house (with examples).

According to the provisions of the "Real Estate Surveying Code", the area of the house is calculated in units.

Note: The dimensions marked on the drawing are the axis dimensions, and the balcony is the size of the exterior wall, the length unit: meters, and the area unit: square meters. ）

1.Calculation of floor area.

The construction area of the whole building refers to the sum of the horizontal projection area of the periphery of each floor above the foot of the external wall (column) of the house, including the construction area of permanent buildings with balconies, corridors, stairs, basements, etc., which have a cover, a firm structure and a floor height of more than meters (including meters).

Example: The total floor area of the building.

2.Calculation of the built-up area of the suite.

The construction area in the suite = the usable area in the suite + the wall area in the suite + the balcony construction area.

In layman's terms, the floor area of the suite is the sum of the floor area within the central axis of the building in the sub-household door and the floor area of the balcony.

Example: The floor area of each set in this building.

3.Calculation of the common floor area.

a.Composition of the common floor area:

1) The floor area of elevator shafts, stairwells, garbage chutes, substation rooms, equipment rooms, public foyers and aisles, guardhouses on duty, etc., as well as public buildings and management rooms serving the whole building.

2) The partition wall between the set and the public building, and the floor area of half of the horizontal projection area of the external wall (including the gable).

b.Calculation of the common floor area.

For general multi-storey houses, the construction area of the whole house is the total construction area of the whole house after deducting the sum of the construction area of each set of the whole house, as well as the construction area of the basement, carport, civil air defense project, etc., which is used independently, that is, the common construction area of the whole house.

For example, the total floor area of this house is half of the staircase and the surrounding exterior walls.

4.Calculation of the apportionment factor for the common floor area.

Common floor area apportionment coefficient = sum of common shared floor area Sum of floor area in each suite.

Example: The apportionment factor of the total floor area of the house.

k=5.Calculation of the common floor area to be apportioned.

The common construction area to be apportioned = the common construction area apportionment coefficient The construction area in the suite.

Example: 102 rooms in the floor area.

Room 102 should be apportioned to the common floor area.

6.The floor area of the house.

Floor area of the house = floor area of the unit + apportioned common floor area.

102 rooms with a floor area.

It is to budget the drawings according to the drawings, budget the area of the house, and then go to the field to review to see if there are any changes, and if there are changes, let the construction unit issue a change report, then change the budget area, and finally issue a house area mapping report.

The area of the house is nothing, mainly the shared area: corridors, facades, elevators, stairs, etc.

1.Prepare measuring tools: A ruler or tape measure, a compass and a spirit level are all essential measuring tools.

2.Count the number of rooms: Count the number of rooms in the house, and measure several times if there are several rooms.

3.Measure the size of a room: Measure the size of the room with a ruler or tape measure, stop the bend and multiply the length by the width to get the area of a room.

4.Measure the area of the wall: Measure the length of the wall in the room with a compass and multiply the length by the height to get the area of a wall.

6.Calculate the total area: Finally, add up all the rooms and walls to get the area of the entire house.

Hello dear, I am happy to answer your questions: 1. How to measure the area of the house 1. First of all, you need to measure the size of each axis, including the total size of each room and the exterior wall, as well as the actual usable area of each room. 2. Next, measure the area in the house, the indoor area will generally have an error of a few centimeters, because the plaster on the wall is uneven, so the error of a few centimeters is normal, don't care too much.

3. After that, the indoor construction area is measured and calculated, and the calculation formula is: the usable area of the house + the area of the wall + the usable area of the balcony. 4. In the end, you only need to add the measured area to calculate, and the final result is the actual area of the whole house.

2. The formula for measuring the area of the construction area is as follows: the construction area = the construction area in the suite + the public construction area that should be apportioned. Built-up area in the suite:

The construction area in the suite = the usable area in the suite + the wall area + the balcony construction area. The area of the wall in the set is simplified: the area of the wall in the set = 1 2 the projection area of the wall of the common wall or = the horizontal projection area of the wall of the non-common wall.

Common apportioned area: common apportioned area = common building area apportionment coefficient * building area in the suite, (* represents multiplication). Common floor area apportionment factor:

Common floor area apportionment factor = common floor area of the whole building The sum of the floor area of each set of the whole building.

Before handing over the house, the most important thing is to measure the area of the house to see if it is consistent with the area specified in the contract. Let's take a look!

1. Is the area measured by the Housing Authority accurate?

The Housing Authority is accurate in measuring the area.

2. The principle of calculating the construction area in the suite.

The usable area of the building in the suite shall be calculated according to the method specified in the Code for the Design of Residential Buildings (GBJ96-86), and the other buildings shall be calculated according to the method specified in the Code for the Design of Residential Buildings.

1. The area of the wall in the set.

The load-bearing walls around the use space of each set of commercial housing are divided into two types: shared walls and non-shared walls. The partition wall between the units of the commercial housing and the partition wall and the external wall between the set and the common building space are all common walls, and half of the horizontal projection area of the common wall will be included in the area of the internal wall of the suite. The horizontal projection area of the wall of the non-shared wall will be included in the area of the wall in the suite.

2. Balcony construction area.

The calculation is carried out according to the "Rules for Calculation of Building Area" stipulated by the state.

3. The formula for calculating the floor area of the suite is:

The construction area in the suite = the usable area in the suite + the wall area in the suite + the balcony construction area.

3. What is the common floor area?

The common building area is mainly divided into the following two parts:

1. The construction area of elevator shafts, stairwells, garbage chutes, substation rooms, equipment rooms, public foyers and aisles, basements, guard rooms on duty, and other public buildings and management rooms that serve the whole building functionally.

2. Half of the horizontal projection area of the wall between the building and the public building and the wall of the exterior wall.

Zexun summary: The above is to share with you the housing authority to measure the area accurately and the calculation principle of the building area in the suite, I believe that you also have a belief in the understanding after reading the above sharing, if you need to know more about it, please continue to pay attention to Qeeka Home**, will answer for you one by one.

I believe that when you receive the house, you want to know whether your house is the same area as the one written in the contract, and whether the developer has cheated herself. Owners will want to bring their own tools such as a tape measure to measure the area of the house to be reassured. Today, I would like to briefly talk to you about how to measure the area of a house.

1. First of all, we must get a detailed residential floor plan, according to the detailed floor plan of the residence, including the axis size of each room, and the total size of the exterior wall, as well as the area of the room.

2. Direct measurement, subtract the thickness of the wall and the size of the plastering surface with the size of the axis of the room, the axis is located in the middle of the hole with a good ridge of the wall, and the two sides are half the wall thick, the white plastering surface is generally 2 3cm, and the measurement position should be 1 from the ground. What is measured is the floor area of the house, not the usable area.

Calculate the range of the total floor area.

1. For single-storey houses with permanent structures, the construction area is calculated according to one floor. Multi-storey houses are calculated based on the sum of the floor area of each floor.

2. The height of the mezzanine, intercalation, elevator room, etc. in the house is calculated as the construction area in the above parts.

3. The passage of the house, the foyer and the hall in the house are all calculated according to the first floor. The height of the floor above (the corridor in the foyer and hall) is calculated according to its horizontal projection area.

4. Stairwells, pipelines, elevators, lifting shafts, garbage chutes, etc. are calculated according to the natural layer of the house.

5. On the roof of the house, it is a permanent building, and the height of the stairwell, water tank room, elevator machine room and inclined structure roof is above the part, which is calculated according to the horizontal projection area of its periphery.

Summary: The above is about how to measure the area of the house, and if you have read the article, you should have a deeper understanding of measuring the house. There are many types of house sizes, such as the area of the house, the floor area of the house, and so on, and special attention should be paid to these issues.

The square of the house is calculated according to the length and width, and the calculation formula can be expressed by s=a b, where a represents the length, b represents the width, and s represents the square area of the house. Generally speaking, houses are rectangular, and after measuring the length and width of the house, the area of the house is calculated by the length and width.

For example, the house is a regular rectangular house, the length of the house is 10 meters, the width is 7 meters, and the house is 70 square meters. If the house is an irregular house, it can be divided into rectangles, and after calculating the area of each area of the house, add the areas together to calculate the area of the house.

Residential floor area is included.

1. Auxiliary area.

This is the net usable area of the residential building floors that are not directly used for housing and living rooms, including corridors, kitchens and bathrooms.

2. Usable area.

This refers to the calculation of the residential area in each flat floor due to the net area of daily application, which was mainly applied to the calculation and expropriation of public housing in the past, and now it will also be directly used to calculate the area, so that the application area can be intuitively reflected.

3. Construction area.

In fact, the floor area of the house is the horizontal area of the exterior wall including the surrounding area, and if it is a high-rise residential area, it is usually the sum of the floor area of each floor.

4. The common area of the residence.

When building buildings, some public corridors, stairs and elevators will be designed, which is also to facilitate the access of the owners, so the developer will first calculate the building area of each household when building the first house, and then calculate the sum of the public occupied area and then allocate it to each household, so that there is no area dispute at all.

The usable area of the house = construction area - shared area - wall area of the suite.

Housing area includes many terms and ranges, such as construction area, usable area, living area, shared area or other kinds of area, if you are not very thorough understanding of this aspect of the friend, it is likely to be deceived by unscrupulous real estate developers, mistakenly think that the shared area is within the scope of the use area, or other possible misunderstandings, and then lead to excessive losses.

Field measurement of the usable area in the suite

Generally, when starting to measure jujubes, in order to ensure the accuracy of the measurement, it is necessary to pay attention to making the position of the lifting and grinding 1-meter high from the ground. The measurement of the use area, the size obtained by measuring the interior of the room, is the size of the axis of the room minus the thickness of the wall and the thickness of the plaster, and cannot be used as the size in the area.

In other words, the area calculated from this size is not the usable area. The usable area is calculated based on the axis dimensions minus the dimensions of the interior of the room where the thickness of the structure is removed. Generally speaking, when the load-bearing wall is a brick wall, the structure thickness is 24cm, the thickness of the external wall structure in cold areas is 37cm, the thickness of the concrete wall structure is 20cm or 16cm, and the non-load-bearing wall is 12cm, 10cm, 8cm.

Generally speaking, the axis is located in the middle of the wall, and the middle side is half a wall thickness on each side.

The measurement position is 1 meter above the ground, and for a room with an axis size of 360 cm, the measurement result should be 335 cm. Based on this, it can be deduced that the internal axis size of the room is 360cm, and the calculated size is 340cm. If the size error is within a few centimeters, it means that the thickness of the plastering is inaccurate and uneven, and generally does not affect the size of the axis and the internal size of the room.