Abstract: A balcony system for use with a building opening of a building structure is provided. The balcony system includes a balcony unit adapted to project from the building opening, a counterforce unit adapted to compensate for forces applied to the balcony unit, and a first connecting element connecting the balcony unit and the counterforce unit. The counterforce unit comprises a base unit, a top unit on the base unit, and a second connecting element. The base unit is configured for stationary installation with respect to the building structure, such as for stationary installation on a floor of the building structure. The first connecting element connects the balcony unit and the top unit. The second connecting element connects the top unit and the base unit. The top unit is movable relative to the base unit.