Baufaktor

Baufaktor, also known as the building factor, is a term used in construction and architecture to describe the ratio of the usable floor area to the gross floor area of a building. It is a measure of the efficiency of a building's design in terms of space utilization. The gross floor area includes all the areas within the building's exterior walls, while the usable floor area refers to the space that can be occupied by people or equipment, excluding corridors, staircases, and other non-occupiable areas.

The Baufaktor is calculated by dividing the usable floor area by the gross floor area and multiplying by 100 to express it as a percentage. For example, if a building has a gross floor area of 1,000 square meters and a usable floor area of 700 square meters, the Baufaktor would be 70%.

A higher Baufaktor indicates a more efficient use of space, as a larger portion of the building's area is usable. Conversely, a lower Baufaktor suggests that a significant portion of the building's area is not usable, which could be due to the inclusion of large corridors, staircases, or other non-occupiable spaces.

The Baufaktor is an important consideration in the design and planning of buildings, as it can impact factors such as cost, energy efficiency, and occupant comfort. Architects and engineers use the Baufaktor to optimize the design of buildings, ensuring that they are both functional and efficient.