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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