The law stipulates that the pool area cannot exceed how much.

The pool area cannot exceed 30%. The pool area is about 10% to13%; The share of slab houses below 18 floor is about 13% to15%; Most point-type real estate pools are 15% to17%; For houses with more than 30 floors, the pool is usually around 25% because of the increase in the number of elevators. Areas that are not included in the land area are: cold lanes, carriageways or spaces with unclear ownership; Municipal roads, streets and other public land; Floodplain, ditch and drainage ditch for public use; Land that has been requisitioned, allocated or belongs to the original real estate license needs to be used for municipal construction after approval by the planning department; Others are not included in the parcel area according to regulations.

There is no national standard for the pool area of houses, but usually the pool area cannot exceed 30%. Every building is different in this respect because of its own situation. Details are as follows:

1, the common pool area of multi-storey houses is about 10% to13%;

2. For multi-storey houses, the state clearly stipulates that the allocation rate of houses below 7 floors is 7% to 12%.

3.7 1 1 The housing allocation rate is 10% to 16%.

(1) If there is no computer room underground and there are no shops and overhead buildings on the ground floor, the allocation coefficient of small and high-rise buildings is between 10%- 15%;

(2) For small high-rise residential buildings with elevators, the sharing coefficient is between15% and 20%.

4, high-rise residential 12 to 33rd floor residential pool rate 14% to 24%.

5. 18-story slab houses are shared by about 13% to15%;

6. Most of the integral real estate pools are between 15% and 17%;

Because of the increase in the number of elevators, the pool of houses with floors above 7 and 30 is usually around 25%.

8. Villa residence, according to national regulations, the pool rate of villa residence is 1% to 8%.

Calculation of shared area: the calculation method of sharing the public building area among households, and the interior area of each household is shared in proportion. Details are as follows:

1. Calculate the allocation coefficient, which is equal to the sum of the public area to be allocated/the sum of the interior construction area of each suite = (the sum of the total construction area-the sum of the interior construction area of each suite)/the sum of the interior construction area of each household;

2. Public sharing area of each suite = sharing coefficient multiplied by building area of each suite.

The allocation of housing pool area needs to comply with the following rules:

1. The public area of commercial housing is shared by buildings. The shared public building area is the public building area in this building, and the public building area that is not connected with this building shall not be shared into this building;

2. The public construction area serving the whole commercial house is shared by each commercial house in the building; The public building area within a local scope is shared by the beneficiary commercial housing;

3. After sharing the public construction area, the specific parts of the shared construction area of each set of commercial housing will not be divided, but no one may occupy or change the use function of the original design.

To sum up, the pool area should not exceed 30%. The pool area is about 10% to13%; The share of slab houses below 18 floor is about 13% to15%; Most point-type real estate pools are 15% to17%; For houses with more than 30 floors, the pool is usually around 25% because of the increase in the number of elevators.

Legal basis:

"Commercial housing sales area and public building area allocation calculation rules" fifth.

Commercial houses are sold as "suites" or "units", and the sales area of commercial houses is the sum of the interior or interior construction area purchased by the buyers (hereinafter referred to as interior construction area) and the shared public construction area.

Sales area of commercial housing = interior construction area+shared public construction area

Article 6

The indoor construction area consists of the following three parts:

1, usable area inside the suite (unit);

2. Interior wall area;

3, balcony construction area.