买房基本知识（Basic knowledge of buying a house）.doc

买房基本知识（Basic knowledge of buying a house） Built-up area Residential construction area refers to the outer wall of the building surrounded by the space of the horizontal area, if calculated, and high-rise residential construction area, is the sum of the floor area. The building area includes the usable floor area of the house, the area occupied by the wall column, the area of the stair corridor and the other share of the floor area. Use area The use area of a house refers to the sum of the net floor area directly used by the residents in each level of the dwelling. Calculation of residential area can be more intuitive response to the use of residential conditions, but in residential sales generally do not use the area to calculate prices. Calculation of the area when there are some special provisions: duplex type residential indoor staircase by natural storeys of the total area included the use of space; not included in the structural area of chimneys, ventilation Road, the wells are included the use of space; wall decoration thickness included the use of space. Calculated rental housing, are calculated by the use of space. Common area Residential public area refers to the residential buildings for the convenience of residents access, normal communication, and protect the life of the public corridors, staircases, elevators, water tanks and other areas of the total. Developers in the sale of commercial housing, the calculation of the construction area of the public area of the problem of sharing. Saleable area It is the balance of the gross floor area after deducting the common assessed area. Dwelling area Residential residential area refers to the residential floor of the flat surface directly for tenants living space and the sum of the net. The so-called net area is to remove the walls, columns and other building components occupied by the horizontal area (that is, structural area). Generally used as an area index to measure the level of living. Jacket area Commonly