[1] It was designed by Gustaw Landau, an architect working in Warsaw and Łódź, and a brother of one of the co-owners of the Commercial Chamber.

[2] It was built in the eclectic style and features a Baroque dome, classicist colonnade and a Renaissance Revival attic.

During World War II, the building was transformed into the Deutsches Haus because of its convenient location in the city centre.

[3] In the 1950s, it was changed into a low standard hotel with Lublinianka Cafe and a restaurant downstairs.

It offers 72 rooms and apartments, restaurants, cafes, gym, sauna and conference halls.