living-room is an augmented reality (AR) installation developed to study interactive, space-oriented AR-scenarios. The installation consists of the living-room box, a room that is three by three meters, as well as hardware and software components to record the user’s view and enhance it synthetically. Four scenarios have been realized and analyzed regarding the aspects ‘Real and Virtual’, ’Interaction’ and ‘Scenography’. A survey with visitors has been conducted and plans for the next phase of the project developed. living-room is a new kind of media and our focus is to develop design principles for this environment and to identify its “essential properties” [7]. Categories and Subject Descriptors H.5.1 [Multimedia Information Systems]: Artificial, augmented, and virtual realities, J.5 [Arts and Humanities]: Fine Arts, Architecture, Performing Arts. General Terms Design, Human Factors, Experimentation. Keywords Augmented reality, design research, art installation.