Net Floor Area Definition
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The whole floor net lettable area is calculated by.
Net floor area definition. Areas included in nsf are measured from the inside finished surface of their surrounding walls excluding any area bounded by structural columns shafts or outside finished surfaces. Nsf is essentially gsf minus unusable space. Listed below are some examples of net floor area to help illustrate the relationship to gross floor area. Net square feet is the area of usable space that s available for furnishings equipment and personnel.
Definitions the net lettable area of a building is the sum of its whole floor lettable areas. Net floor area does not include parking garages basements for storage or utilities common elements and common hallways. The nfa of common property in our building is 40 of the gfa. 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 ramps closets the thickness of interior walls columns or other features.
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. Floor area definitions vary depending on. The net floor area nfa of the private units in a residential condo building is typically 60 of the gross floor area gfa. In architectural construction and real estate floor area floor space or floorspace is the area measured as square feet or square metres taken up by a building or part of it.
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 floor area of a building excluding the area occupied by walls and partitions the circulation area where people walk and the mechanical area where there is mechanical equipment. Net internal area covers all of those areas that can be used for a particular purpose.