Delftse Poort () is a twin-tower skyscraper complex at Weena 505 next to the

Rotterdam Centraal railway station Rotterdam ( , ; ; ) is the second-largest city in the Netherlands after the national capital of Amsterdam. It is in the province of South Holland, part of the North Sea mouth of the Rhine–Meuse–Scheldt delta, via the New Meuse inland ship ...

Rotterdam Rotterdam ( , ; ; ) is the second-largest List of cities in the Netherlands by province, city in the Netherlands after the national capital of Amsterdam. It is in the Provinces of the Netherlands, province of South Holland, part of the North S ...

Netherlands , Terminology of the Low Countries, informally Holland, is a country in Northwestern Europe, with Caribbean Netherlands, overseas territories in the Caribbean. It is the largest of the four constituent countries of the Kingdom of the Nether ...

. Tower I is tall and has 41 stories, while Tower II is tall and has 25 stories. Until May 2009, Tower I was the tallest office tower in the Netherlands. Both towers are built over a four-storey multifunctional podium which adjoins the Rotterdam central station. The entire complex is equipped with 28 elevators. The gross floor area in the complex is , and the offices occupy . It was constructed between 1988 and 1991. The cost of the construction was 240 million Dutch guilders, or about €110 million. Due to a metro tunnel running underneath the complex, advanced construction methods were required, allowing only a single underground floor to be built. The building is also known as Nationale-Nederlanden building, because until 2015 the Dutch Company '

Nationale-Nederlanden NN Group N.V. is the parent company of NN Investment Partners and Nationale-Nederlanden (). Nationale-Nederlanden is one of the largest insurance and asset management companies in the Netherlands. NN Group is headquartered in The Hague, its of ...

' (National-Netherlands) was the main user of the building. Nationale-Nederlanden was the local

insurance Insurance is a means of protection from financial loss in which, in exchange for a fee, a party agrees to compensate another party in the event of a certain loss, damage, or injury. It is a form of risk management, primarily used to protect ...

branch of

ING Ing, ING or ing may refer to: Art and media * '' ...ing'', a 2003 Korean film * i.n.g, a Taiwanese girl group * The Ing, a race of dark creatures in the 2004 video game '' Metroid Prime 2: Echoes'' * "Ing", the first song on The Roches' 199 ...

Insurance until 2014. In April 2015, the building was officially reopened by owner CBRE Global Investors as a general-purpose office building with of office space. Nationale-Nederlanden became a tenant renting only a third of the building complex, and hence their logo on Tower I was removed. Since then the building has established its own identity, displaying its own logo on Tower I. Until 2004, an annual race up the building's stairs took place in this building.

References

External links

* http://www.delftsepoort.nl/ * {{Authority control Skyscraper office buildings in Rotterdam Office buildings completed in 1992 Twin towers 1991 establishments in the Netherlands