Different Between Lot Size And Floor Area

Take the lot size and multiply it by the floor area ratio.

Different between lot size and floor area.

While they both refer to the size of a house they are not the same thing if you mix them up you can be in for shock when it comes time to get an estimate or when you move into your new home. Index numbers are values expressed as a percentage of a single base figure. 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 closets the. There is a big difference between total living square feet and total square feet.

Floor area ratio is sometimes called floor space ratio fsr floor space index fsi site ratio or plot ratio. Far is expressed as a decimal number and is derived by dividing the total area of the building by the total area of the parcel building area lot area. Gross floor area gfa in real estate is the total floor area inside the building envelope including the external walls and excluding the roof. Floor area and lot area are two terms commonly used in zoning analysis.

While often used in combination to determine other areas or ratios such as floor area ratio far for example the two have distinct differences and are defined differently by code. The difference between far and fsi is that the first is a ratio while the latter is an index. 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 is located on. Difference between gross living area gross building area.

Property descriptions on the multiple listing service a tax roll or in an appraiser s evaluation include square footage. Adding to this confusion is the practice among some developers to use gross leasable area gla and gfa interchangeably or to use. For example on a 5 000 square foot lot with a 2 0 far you could construct a building with 10 000 square feet of total floor area the. Far is an effective way to calculate the.

Thus an far of 1 5 is translated as an fsi of 150.