Kollhoff studied from 1968 to 1973 architecture at the University of Karlsruhe with Egon Eiermann, 1974 at the Technical University of Vienna. He received in 1975 in Karlsruhe The diploma. Thereafter, he was a fellow at Cornell University / New York, and was there until 1978 Assistant at Oswald Mathias Ungers. Then he was up to 1983 assistant at the TU Berlin. He founded his own architectural firm, which he performs in partnership with the architect Helga Timmermann since 1984. From 1990 to 2012, he was a professor of architecture and design at the ETH Zurich. His international reputation underline several visiting professorships and numerous lecture tours at home and abroad. He has worked in Germany and Europe, primarily in office, retail and residential buildings.
Hans Kollhoff late architecture falls, on, in contrast to his first big projects, especially by classical building design and the use of long-standing materials such as natural stone and brick in traditional craftsmanship. The architecture Hans Kollhoff evolved increasingly towards a decidedly traditional form of language in which he often picks up on classical motifs.
In 2009 he failed in an action against the federal government against the award of the new building of the Berlin City Palace to the contest winner Franco Stella. Kollhoff had occupied his office for third place in the castle competition. After the verdict, he called for the restart of the procurement procedure.
Kollhoff operates a studio in Rotkreuz, Switzerland.
Structures ( selection)
- In Berlin Kollhoff designed, among other things, building on Potsdamer Platz, where he mean high-rise ( Kollhoff Tower ) was commissioned by the DaimlerChrysler AG in New York's brick style. He was responsible for the master plan Alexanderplatz ( high-rises ). To his notoriety also carry the reconstruction of the house on Werderscher market, former Reichsbank and the SED Central Committee, the Foreign Office and the Leibniz Colonnades in the district of Charlottenburg- Wilmersdorf, near the Kurfürstendamm in. In 2005 he designed the interior of the former vaudeville Metropol, in which the " Goya " opened on December 1, as the exclusive Club at Nollendorfplatz, which closed again the following year.
- In Frankfurt, he designed the German Lord district, 88 meters high tower block Main Plaza.
- In Amsterdam, according to his plans was the block of flats Piraeus in the new residential area KNSM - eiland. The 1990 planned building can be read both as a differentiated bulk form as well as morphologically transformed block. Each of the four outer facades reacts in its own height profile and facade design on the once urban, once park-like environment. The large body depends on water, and light with the opening of the body to the courtyard, which integrates a historic existing building. When it was completed in 1994, Hans Kollhoff publicly distanced itself from the building. The gardens were designed by Mien Ruys.
Kollhoff is president of the Association International Academy of Architecture in Berlin, which aims to reconstruct Schinkel's Berlin Building Academy and to resurrect as " International Academy of Architecture in Berlin ".