Floor Space Ratio Definition

For an fsr of 0 5 1 if site area 1000m 2 floor area allowed 500m 2.

Floor space ratio definition. Floor area ratio is sometimes called floor space ratio fsr floor space index fsi site ratio or plot ratio. Building space fars can estimate the potential impact of a proposed development. Calculation of floor space ratio and site area explanation of key provisions the following is an explanation of some of the key provisions relating to the calculation of floor space ratio fsr and site area in accordance with clause 4 5 in the standard instrument for principal local environmental plans. The floor area ratio is variable because population dynamics growth patterns and construction activities vary and because the nature of the land or space where a building is placed varies.

The difference between far and fsi is that the first is a ratio while the latter is an index. An important control in the nsw planning system is floor space ratio fsr. Lets look at the definition of floor space ratio that can be found in the standard lep that applies to most. Floor space ratio can be a difficult concept to visualize.

The maximum floor space ratio for a building may be subject to certain exceptions under other provisions of the local environment plan lep. Far is expressed as a decimal number and is derived by dividing the total area of the building by the total. It has become increasingly important in recent years as all councils across nsw have gradually adopted the state wide standard lep. The floor space ratio of buildings on a site is the ratio of the gross floor area of all buildings within the site to the site area.

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. The following simple examples show how an fsr of 0 5 1 can be achieved on a single lot. Maximum fsr is the floor area you may build compared to the total area of the block. Thus an far of 1 5 is translated as an fsi of 150.

Clause 4 4 deals with the calculation of floor space ratio and site area. Floor space index fsi is also known as floor area ratio far or floor space ratio fsr.