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The Add-on factor is the difference between the usable area and the rentable area of an office building expressed as a factor of the rentable area. This factor expresses the percentage of floor space for which a tenant pays rent but cannot derive benefit from due to columns, corridors, elevator shafts, stairwells, etc. within the area leased.[1] Also called a "load factor" or "partial floor factor" or, when expressed as a percentage of the net usable area, an "add-on factor".
References
- ^ "Terms: Add-on Factor". LeaseMatrix. Retrieved 13 May 2013.