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 the ground, and is measured considering the exterior of the walls that delimit, or separate the fires.

Área Bruta

They include:

  • Balconies, balconies, marquees and private balconies;
  • Accessory locations, cellars and private attics;
  • The part that, on each floor, is used by the elevator and mooring boxes;
  • Stairs and the share of the common circulation areas of the building.


  • Non-habitable attics (which have no statutory right 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 collections used in the different units of use of the building;
  • Uncovered terraces;
  • Public outdoor galleries;
  • Roads or other free spaces for public use covered by the building.
Updated on: 
11. October 2019

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Área Bruta de Construção
The gross building area corresponds to the sum of the private gross area and the dependent gross area.
Área Bruta Dependente
The Gross Dependent Area refers to the covered and closed areas for the exclusive use of the owner, whose use is ancillary to the use for which the building or fraction is intended, and which are not included in the calculation of the Gross Private Area (eg garage , storage,... Read more

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