The Floor Area Ratio Is 2 Examples

Index numbers are values expressed as a percentage of a single base figure.

The floor area ratio is 2 examples.

Examples that show how to calculate floor area ratio easily. Adding to this confusion is the practice among some developers to use gross leasable area gla and gfa interchangeably or to use. The floor area ratio is the deciding factor in finding out the maximum buildable floor area. Of course the numerator and denominator must use the same units such as square feet sf.

Floor area ratio far is the measurement of a building s floor area in relation to the size of the lot parcel that the building. How to calculate floor area ratio. Floor area ratio or far is a critical decisive element for the legal construction of any residential or non residential building. The floor area ratios are set forth by nyc planning in the zoning resolution zoning code.

Floor area ratio far is the ratio of a building s total floor area zoning floor area to the size of the piece of land upon which it is built. In the proposed philadelphia zoning ordinance floor area ratios commence in the group dwelling district. In other words it is a ratio between a building s total constructed floor area and the land area. Far is the reason why buildings with the same size lot but in different zoning districts can be drastically different in size.

A two story building on the same lot where each floor was 500 square feet would have the same floor area ratio value. In denver however low and medium density residential zones and the general industrial zone are not regulated in this way. Gross floor area gfa in real estate is the total floor area inside the building envelope including the external walls and excluding the roof. It is a tool used by the planning body of any city or town to identify densely constructed areas from the others.

Calculating far a development company is planning to build a two story building on a rectangular parcel that has 100 feet of street. In all of the preceding examples except denver a floor area ratio is assigned to all zones. It is also known as fsi floor space index in some markets. Breaking down floor area ratio far th.

Far limits urban density but also indirectly controls a building s maximum occupancy without regulating the structure s shape. See also table 2. Floor area ratio is sometimes called floor space ratio fsr floor space index fsi site ratio or plot ratio. The terms can also refer to limits imposed on such a ratio.

The floor area ratio calculation is the following. Far gross floor area plot area. Considered another way a lot has a floor area ratio of 2 0x and the square. The difference between far and fsi is that the first is a ratio while the latter is an index.