Floor Area And Lot Area Difference

Definitions of gfa including which areas are to be counted towards it and which areas aren t vary around the world.

Floor area and lot area difference.

Your floor area is the size of the house. 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. You find these terms in a house and lot offer. The floor area ratio is the principal bulk regulation controlling the size of buildings.

Gross floor area gfa in real estate is the total floor area inside the building envelope including the external walls and excluding the roof. Each zoning district has an far which when multiplied by the lot area of the zoning lot produces the maximum amount of floor area allowable on that zoning lot. 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. 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 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 lot area is the minimum sized lot left over after you build the house. In other words you add the floor area and the lot area and your building lot must be at least that big. Floor area ratio far is the total square footage of all parts and all levels of all structures divided by the net lot area and results in a percentage.

Take the lot size and multiply it by the floor area ratio. Most cities require a minimum sized lot to build a house on. The maximum allowed lot coverage is 50 in the r 1 zone and 40 in the r 1ld district. Far is the ratio of total building floor area to the area of its zoning lot.