[1] In 1949-50, Carl Appel built a new, nine-storey (from -1 to +7) development for the Neumann company, which has been known as the Steffl Department Store since 1961.
On 1 May 1979, a fire was detected in the women's clothing department on the second floor and 900 m² of retail space went up in flames.
The smell of burning was again detected during the clean-up process and police discovered an incendiary device with a time fuse.
The Konsum Österreich consumer cooperative indirectly became one of the temporary owners but shrank from a large company to a small business in 1995 due to a sensational collapse of their accounts.
Wolfgang Amadeus Mozart composed the Magic Flute and the Requiem during the final year of his life in the small Kayserhaus, which stood on the site up until the middle of the 19th century (at Rauhensteingasse 8, at the back of the current building).