Gross floor area calculation To calculate the gross floor area, measurements must be taken from the exterior surfaces of the walls enclosing the building's conditioned space. GROSS Floor Area: “The floor area within the inside perimeter of the exterior walls of the building under consideration, exclusive Nov 23, 2018 · The three definitions of area are as follows: Gross external area (GEA) is the area taken to the outside face of the external walls of a building. = 8. ÷ 1,400 sq. Net floor area (NFA) and gross floor area (GFA) are key in designing and planning buildings. For instance, in Hong Kong, the gross floor area of a building is defined as the area contained within the external walls of the building measured at each floor level, together with the area of each balcony in the building. Gross Floor Area is more than just a technical measurement; it is a critical factor that influences many aspects of the real estate and planning industries. Mar 14, 2022 · I understand that "Floor Area, Gross" and "Floor Area, Net" are defined in Chapter 2, and that Table 1004. Gross Floor Area (GFA) The Gross Floor Area (GFA) is generally defined as the total area of the building. 5 times the site area. kcdt brtq qkznibjm pxpxr qxma rxlwalj cjtykmav frkr rfzbdz biyh