1. Space within a property or building that cannot be occupied or used for its intended purpose, such as mechanical rooms, stairwells, or wall thickness
The non-usable area in the apartment includes the hallways and utility closet.
A área não utilizável no apartamento inclui os corredores e o armário de utilidades.
2. In real estate, the portion of gross floor area that does not count toward rentable or saleable square footage
Buyers need to understand the difference between total area and non-usable area when purchasing property.
Os compradores precisam entender a diferença entre área total e área não utilizável ao comprar propriedade.