Gross lettable area is the floor space within a tenancy at each level using the following rules.
Difference between net lettable area and gross floor area.
Gross lettable area gla is a measurement of the total occupiable floor space taken from the exterior wall.
Gross floor area gfa in real estate is the total floor area inside the building envelope including the external walls and excluding the roof.
In the case of external building walls measuring from the dominant portion of the outside faces of walls of the building alignment.
The actual square footage of the tenant s space is called the net rentable area of the space.
How is building or lettable area calculated.
So that 5 000 sq.
Basically it is the actual square unit of a building that may be leased or rented to tenants and is the area used to compute the lease or rental payments.
There are three generally accepted methods of measuring building areas.
Office space that you are looking to lease probably isn t really 5 000 sq.
The gross leasable area usually incorporates a core factor of 15 25 percent of more.
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.
Net area is soley the working office space gross area includes all or a proportion of if a shared office the circulatory spaces including stairwells lifts toilets and entrance lobbys etc.
Net lettable area sub divided floors same as above but measure to the centre line of inter tenancy walls or partitions except where the walls or partitions adjoin public areas such as lobbies and corridors in which case measure to the line of the dominant portion of their public area faces.
Listed below are some examples of net floor area to help illustrate the relationship to gross floor area.
The net internal area nia of a building is the usable area measured to the internal finish of the perimeter or party walls ignoring skirting boards at each floor level.
Gross lettable area also known as gross leasable area gla is the amount of floor space which is available for rent in a commercial property.
The net floor area nfa of the private units in a residential condo building is typically 60 of the gross floor area gfa.
Definitions of gfa including which areas are to be counted towards it and which areas aren t vary around the world.
Adding to this confusion is the practice among some developers to use gross leasable area gla and gfa interchangeably or to use.