Total Floor Area Of A Building

Far is the abbreviation for floor area ratio.

Total floor area of a building. Gross floor area reduced by the area for structural components. Floor area net sum of all areas between the vertical building components walls partitions i e. There are many ways to calculate the total area of your floor plan. The floor area ratio far is the ratio of a building s gross floor area to the total area of the land upon which it is constructed.

Total floor area of all floors of a building calculated with the external dimensions of the building including structures partitions corridors stairs. So corridors and wall thicknesses are included in this figure. Gross floor area gfa in real estate is the total floor area inside the building envelope including the external walls and excluding the roof. If your property is a square or a rectangle you may be able to calculate this figure yourself by taking the outside footprint.

Definitions of gfa including which areas are to be counted towards it and which areas aren t vary around the world. The floor area ratio also known as the floor space ratio fsr or the floor space index fsi depicts the relationship between the total usable floor space in a building and the total area of the plot on which the building is constructed. 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 stands. The ways of defining total area depend on what factors of the building should or should not be included such as external walls internal walls corridors lift shafts stairs etc.

This area is the gross internal floor area which means it is the total area within the external walls of the building as if there were no inside walls. Far is defined as the ratio of a building s total floor area gross floor area to the area of land upon which it is built the constructed area would include the basic structure exterior walls staircases or lobby space if any. Adding to this confusion is the practice among some developers to use gross leasable area gla and gfa interchangeably or to use. The gross floor.

The total of all the horizontal floor areas as viewed on a floor plan of all floors of a building contained within their building perimeters excluding voids except for occupant voids interstitial space roofs unexcavated areas crawl spaces un structured on grade parking and other site improvements. The floor area of a building or portion thereof not provided with surrounding exterior walls shall be the usable area under the horizontal projection of the roof or floor above.