definition
strict definition
gross floor area
The total area of all interior spaces within an object, including occupied, common, and utility areas.
The gross floor area includes all level interior enclosed space inside a given object (such as a building, a module, or a group of buildings). This includes the usable floor area as well as common hallways, lobbies, mechanical spaces, and storage spaces.
An area is only comparable alongside the standard it was measured to. National measuring codes differ over balconies, atrium voids and shafts, so two published figures for one building can both be correct.
A figure that covers a complex rather than a single building is a different measurement again. Where a tower shares a podium, the record has to say whether the podium is inside the figure.
gross floor area Photos
More specific definitions
2 sub-definitionsRelated definitions
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GIF rental area
The rental floor area measured according to the standards of Gesellschaft für Immobilienwirtschaftliche Forschung. -
area
The total land and water surface belonging to and occupied by an object or geographic entity. -
construction area
The total amount of built floor space occupied by solid structural elements like columns, walls, and doors. -
footprint area
The total surface area occupied, covered, or overhung by a built object, including its projecting elements. -
lot area
The total area of the land property associated with a built object, including the area occupied by its footprint. -
minimum rentable area
The smallest division of floor space available for rent or lease within a structure. -
photovoltaic area
The total surface area of the photovoltaic panels installed on a structure. -
rental area
The cumulative built floor area available for rental or lease, including vacant space and excluding shared common areas. -
total available space
The floor space available to prospective users, including vacant space and occupied space to be vacated. -
total facade area
The total area of all parts of a structure's facade, not counting minor indentations. -
total roof area
The total area of all parts of a structure's roof, including flat and sloping sections. -
usable floor area
The enclosed interior floor area of a built object, excluding the space occupied by fixed walls, columns, and other structural elements. -
window-to-wall ratio
The percentage of a building's facade occupied by transparent or translucent glazing that admits light.