The development of the existing building from 1960 in Cologne’s city center is based on the “house on house” concept. The new construction is placed on the property as a confident, contrasting element. The design of the facade – building plastered, expansion of sheet metal cladding – strengthens this impression. The added volume is irregularly perforated by large-scale window cuts and terraces. Another important aspect of the design is the view of the Cologne Cathedral. A large-scale window was integrated facing the street on the fourth floor, offering a wide view of the towers of the Cologne Cathedral and the urban environment. In the attic above this, a generous terrace was included, also allowing an impressive view of the city. This principle of openings is repeated on the courtyard-facing side. In this case with a view of the quiet inner courtyard.
Location: Cologne, Germany
Year of construction: 2007 – 2010
Client: Dr. Klaus Holtmann
Size: 350 m²