Building Gross Floor Area Definition

Gross floor area the floor area within the inside perimeter of the exterior walls of the building under consideration exclusive of vent shafts and courts without deduction for corridors.

Building gross floor area definition. Gross floor area gfa in real estate is the total floor area inside the building envelope including the external walls and excluding the roof. The floor area within the inside perimeter of the exterior walls of the building under consideration exclusive of vent shafts and courts without deduction for corridors stairways ramps closets the thickness of interior walls columns or other features. Definitions of gfa including which areas are to be counted towards it and which areas aren t vary around the world. 3 2 1 gross area gross square feet gsf see figure 3 2 below definition.

The whole area of the building including external walls. This would include stairwells and elevator shafts but would not include areas such as basements and mezzanines. The gross floor area is the total floor area measured in square feet or meters of all floors in the building that you would like considered in your valuation. The gross floor area is defined by the 2018 international building code as.

Dsa ac an expansion extension or increase in the gross floor area or height of a building or facility. The floor area ratio is the relationship between the total amount of usable floor area that a building has or has been permitted to have and the total area of the lot on which the building. The exact square footage of the storage mezzanine area to be included must be clearly identified. The gross building area of a building is the total area comprised of the building s footprint plus rentable mezzanine based on exterior dimensions.

The enclosed area of a building within the external walls taking each floor into account but excluding the thickness of the external walls. An extension or increase in floor area or height of a building or structure.