Except Integrated Sustainability
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Hortus Celestia

Project > Vertical farm & office tower

The Hortus Celestia is a vertical farm tower, designed for Naaldwijk, the Netherlands. The tower rises 28 stories high above the greenhouse-filled landscape, offering 14 farming floors with embedded expo centers.

The tower functions as a demonstration center for innovative Dutch greenhouse industry partners, and attracts international visitors from around the globe.

A spectacular green experience
The tower's user experience promenade starts at the panoramic roof garden and winds down the tower, alowing the visitor to see all aspects of the farms on the top floors. The complex is structurally calculated, costed, its feasibility confirmed, and the design is embedded in an ecological expo-park.

Except designed this vertical farm tower with a team of partners for SIGN, a Dutch foundation that stimulates innovation in the Dutch greenhouse industry.

A glass sculpture arises from the greenhouse fields
As a beacon in the patchwork of greenhouses of the Westland landscape, the Hortus Celestia arises from an ecological park. Behind the ETFE facade, beautiful and demonstrative greenhouses are located in which crops, from tomatoes to roses, are displayed to the audience. The rooftop park on top of the 80 meter high tower lets the visitor expierence a panoramic view of the innovation and activity in the surrounding area.

Panoramic walkaround
The Hortus Celestia unites entrepeneurs in horticulture in an extrordinary icon for business partners and visitors right next to the logistic hub, the Naaldwijk trading centre. The rooftop park is the highlight of the expo along exhibitions of local horticulture businesses on the underlying floors.

Horticulture Expo Center
The grond floor houses an auditorium, restaurants, cafés, varying exibitions and event spaces. It also showcases the innovative systems that allows the tower to perform. The Hortus Celestia is surrounded by representable offices, schools and greenhouses used for demonstration and expo's. The tower is embedded in an extensive ecological park that provides local residents and vistors with an immersive experience in natural beauty and biodiversity.


Features of the Hortus Celstia

  • A expressive and iconical tower for the Westland area and horticulture organizations
  • Expo center showcasing innovative technologies developed in the Westland area to business partners and tourists, by and for the 'Westlanders'
  • Design language reflecting the patchwork of greenhouses in the Westland as seen from above
  • The shell is constructed with light, transparant and cost effective ETFE
  • The greenhouses inside function as a growth and display area, with embedded office spaces
  • A rooftop park with a panorama cafe is the pinnacle of the expo in the top of the tower
  • Rain water stored in tanks in the top of the tower use zero energy gravity feeders as a source of irrigation for the building
  • An ecological park provides space for recreation, nature, and water, with space for future development of a variety of functions

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Except Integrated Sustainability

Tom Bosschaert

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