1. The complete usable or measurable area of all floors in a building, typically measured in square meters or square feet
The shopping mall has a total floor space of 50,000 square meters.
O shopping tem uma área total de piso de 50.000 metros quadrados.
2. In real estate, the aggregate of all floor areas within a building structure
The office building's total floor space increased after the renovation.
A área total de piso do edifício de escritórios aumentou após a reforma.