Residential Floor Area Definition

Building owners or ahj authorities having jurisdiction usually adopt the definition by one of these agencies.

Residential floor area definition. Gross floor area gfa in real estate is the total floor area inside the building envelope including the external walls and excluding the roof. Definitions for shops residential and leisure properties. The following guidelines shall apply when calculating floor area under the building code definition. For the conversion of non residential floor area to residences pursuant to section 74 71 landmark preservation in c7 c8 and manufacturing districts the maximum number of dwelling units shall equal the total floor area to be converted to residential use divided by the applicable factor listed in the following table.

Adding to this confusion is the practice among some developers to use gross leasable area gla and gfa interchangeably or to use. For a lot located in a hillside area or coastal zone the maximum floor area shall comply with section 12 21 1 a 1 of this code. Notwithstanding the above in computing the height district limitations on total floor area for any development of residential dwelling units or of both residential dwelling units and commercial uses in the c2 c4 or c5 zones buildable area shall have the same meaning as lot area. To any particular floor areas because of their special characteristics are part of the valuers estate agents or developers judgment having regard to their contractual.

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. Architectural projection shall mean any projection not intended for shelter or occupancy and which extends beyond the outer face of an exterior wall of a building but shall not include signs. For all other lots the maximum residential floor area contained in all buildings and accessory buildings shall not exceed 25 percent of the lot. The bmo created a new residential floor area definition which is a method of calculating floor area specifically crafted for residential development.

Residential floor area means all of the square footage of living area of a residential structure not including any carport walkway garage overhang patio enclosed patio or similar area on a parcel the determination of residential floor area shall be made by reference to the building permit s for the parcel or similar official document selected by the administrator. Definitions of gfa including which areas are to be counted towards it and which areas aren t vary around the world. For hillside areas only the issues of parking subterranean spaces and the building code requirements for light and air would be added to the definition.