Stadttor

The city gate is a building designed by the architectural firm Petzinka, Overdiek and Partners office building in Düsseldorf's Unterbilk. It is the headquarters of the North Rhine - Westphalian Prime Minister in the government district and is the regional capital. In the vicinity are the Landtag of North Rhine -Westphalia, different ministries of the country, the country WDR Studio Dusseldorf and Rhine Tower and the media harbor.

The building with a height of 72.55 m and 20 floors above ground was built in the years 1992 to 1998. The inauguration took place on 8 May 1998. The layout corresponds to a parallelogram ableiteten the architects of the geometry of the surrounding buildings and the running under the building Rheinufertunnel. A special feature of the building is a 65 m high central hall, which is bordered by the accommodated on two sides and the attic floor offices. The building obtained by this arrangement the character of a gatehouse, from which the name " gate " is explained. Thus, the building marks the entrance of the run here as Rheinuferstraße Federal Highway 1 in the city center, which leads through from under him in the Rheinufertunnel. Here, the gate using the tunnel as a foundation.

In the city gate of around 27,000 m² of office space available. The double façade consists of a bivalve glass structure, which provides a view on the steel construction. In the inner facade is a beech wood and glass construction, with the outer a steel and glass structure. Between the inner and outer facade there is a 1.40 m wide, equipped with walk-in balconies, air buffer, and sunscreen elements. The double- skin glass facade is the natural ventilation of the building and contribute to energy conservation. At high ambient temperatures addition makes a geothermal ground water cooling for pleasant climatic conditions. In severe winters can also be easily preheated with this water. Moreover, the gate is connected to the district heating network of the heating plant Lausward.

Several private companies have office space rented at the city gate, consultancies including global. In addition, is since 29 March 1999, the State Chancellery of North Rhine -Westphalia in the city gate. On the initiative of the then Prime Minister, Wolfgang Clement, the former, about 500 meters away location of the State was abandoned and rented premises in the middle floors of the city gate.

The architecture of the Düsseldorf city gate reminiscent of the Grande Arche in Paris.

End of December 2013 were parts of the glass facade of a tip at the back of the building down. In 2009, had already been resolved on the 13th floor a facade element of glass.