1. The total floor space of a building or structure, measured in square meters or square feet
The built area of the office building is 5,000 square meters.
A área construída do edifício de escritórios é de 5.000 metros quadrados.
2. Land that is developed or occupied by buildings and structures as opposed to open space
The city plans to expand the built area by developing new neighborhoods.
A cidade planeja expandir a área construída desenvolvendo novos bairros.