Gross Area
It is the total surface of the building or fraction, and represents the sum of the gross areas of all floors of a building, above and below ground, and is measured considering the exterior of the walls that delimit or separate the dwellings.
Include:
- Balconies, terraces, marquees and private balconies;
- Accessory locations, basements and private attics;
- The part that, on each floor, is used by elevators and freight elevators;
- Stairs and the share of common circulation areas in the building.
Exclude:
- Non-inhabitable attics (which do not have a regulatory height for housing purposes);
- Garages located in the basement, including access areas;
- Technical areas (PT, thermal power station, garbage collection compartments, etc.);
- Outdoor galleries for public use;
- Basement storage allocated to the various units of use of the building;
- Discovered terraces;
- Public outdoor galleries;
- Streets or other open spaces for public use covered by the building.
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It corresponds to the total surface, measured by the outer perimeter and axes of the walls or other separating elements of the building or fraction.