BruttoNettogrundfläche

BruttoNettogrundfläche (BNG) is a German term that translates to Gross Net Floor Area. It is a measurement used in building construction and real estate to define the usable floor space of a building. The calculation of BNG is crucial for various purposes, including property valuation, rental agreements, and construction planning.

The gross floor area encompasses all enclosed spaces within the building, including walls, stairwells, elevator shafts, and technical rooms. The net floor area, on the other hand, refers to the actual usable space, excluding structural elements and non-habitable areas. BNG aims to strike a balance between these two, providing a more comprehensive picture of the space available than either gross or net area alone.

The precise definition and calculation of BNG can vary slightly depending on regional building regulations and specific project requirements. However, it generally includes all areas that can be walked on, measured from the finished surface of the walls. This means that not only living spaces but also corridors, storage rooms, and technical areas contributing to the overall functionality of the building are accounted for.

Understanding BNG is important for distinguishing between different types of floor space and ensuring fair comparisons between properties. It helps to avoid misunderstandings in contracts and provides a standardized metric for professionals in the construction and real estate industries.