Total Lettable Floor Area
How is building or lettable area calculated.
Total lettable floor area. There are different kinds of terms for this unit. The lettable area is a measurement of the floor space and or land area of a property and is used to assist in rental calculations and property market assessments. But when we talk about square meters do we all mean the same thing. Gross lettable area gla is a measurement of the total occupiable floor space taken from the exterior wall surfaces and or the mid line of any shared walls.
In the case of external building walls measuring from the dominant portion of the outside faces of walls of the building alignment. Gross lettable area is the floor space within a tenancy at each level using the following rules. The answer is probably no. The net lettable area of a building is the sum of its whole floor lettable areas.
The square meter is a very important aspect in the office market. When the building is setup in facility manager maps we certify the total gla gross lettable area and the system will always cross reference the areas to the total gla ensuring that all measurements are always correct. In the business real estate world there is spoken of a gross floor area gfa and a rentable. The whole floor net lettable area is calculated by.
Gross floor area gfa in real estate is the total floor area inside the building envelope including the external walls and excluding the roof. Adding to this confusion is the practice among some developers to use gross leasable area gla and gfa interchangeably or to use. What is gross floor area gfa and what is lettable floor space lfs. Definitions of gfa including which areas are to be counted towards it and which areas aren t vary around the world.
Taking measurements from the internal finished surfaces of permanent internal walls and the internal finished surfaces of dominant portions of the permanent outer building walls. The total enclosed floor area designed for the exclusive use of an occupant including any basements mezzanines or upper floors. There are three generally accepted methods of measuring building areas. For each occupant it is generally measured from the centerline of partitions that separate adjacent occupants from the measure line on the exterior surface of exterior enclosures from the lease line at common areas and includes the full thickness of all other.
Gross lettable area gla is a measurement of the total occupiable floor space taken from the exterior wall. 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.