udfaldsrummet

Udfaldsrummet is a Danish architectural term describing the interior space created by a projecting element of a building facade, such as a bay or cantilevered projection. The word combines udfald (projection, outward extension) and rum (room).

In architectural practice, the udfaldsrum is the space behind the projecting element that becomes usable room area or transitional space. It can be part of a bay window, a balcony parapet, or a loggia. The concept is used to articulate the facade, improve daylight in adjacent rooms, and expand interior space without increasing the building's footprint on the plot.

Design considerations include structural support for the projection, weather protection, thermal performance, and impact on adjacent spaces. In urban settings, udfaldsrummet can affect street scale by altering the building's perceived mass and shading the sidewalk. The term is most common in Danish architectural literature and discussions of contemporary residential and public buildings.