Legal term
[Italy] Ot: Superficie lorda
Sum of the surfaces of all floors included in the perimeter external outline of the building excluding accessory surfaces.1
[Portugal] Ot: Área bruta
is the total surface area of the dwelling, measured by the outer perimeter of the exterior walls and the axes of the walls separating the dwellings, and includes private balconies, accessory rooms and the corresponding share of the building's common circulations.2