Lettable Floor Area

Gross lettable area is the floor space within a tenancy at each level using the following rules.
Lettable floor area. Floor area is expressed in square meters m. Definitions of gfa including which areas are to be counted towards it and which areas aren t vary around the world. Included in the lettable area. The nen 2580 is the most accepted framework for this unit in the netherlands.
The floor area within the inside perimeter of the exterior walls of the building under consideration exclusive of vent shafts and courts without deduction for corridors stairways closets the. The whole floor net lettable area is calculated by. The m or ft of the floor area of the lettable unit. A shop unit could typically be 123m further definition in rics measurement guide may also be presented as a ratio or percentage of gifa.
Adding to this confusion is the practice among some developers to use gross leasable area gla and gfa interchangeably or to use. In the case of external building walls measuring from the dominant portion of the outside faces of walls of the building alignment. Let s start at the beginning. The net lettable area of a building is the sum of its whole floor lettable areas.
What does gross floor area gfa and lettable floor space lfs mean. 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.