Inaugurated Port House in Antwerp by Zaha Hadid Architects

Port House in Antwerp
Port House in Antwerp
Photo © Tim Fisher

The new Port House in Antwerp repurposes, renovates and extends a derelict fire station into a new headquarters for the port – bringing together the port’s 500 staff that previously worked in separate buildings around the city. With 12 km of docks, Antwerp is Europe’s second largest shipping port, serving 15,000 sea trade ships and 60,000 inland barges each year. In 2007, when the former 1990s offices of the Port of Antwerp had become too small, the port determined that relocation would enable its technical and administrative services to be housed together, providing new accommodation for about 500 staff.

Port House in Antwerp
Photo © Hufton+Crow

The port required a sustainable and future-proof workplace for its employees, representing its ethos and values in an ever-expanding local and international arena. As the threshold between the city and its vast port, Mexico Island in Antwerp’s Kattendijk dock on Quay 63 was selected as the site for the new head office. The waterside site also offered significant sustainable construction benefits, allowing materials and building components to be transported by water, an important requirement to meet the port’s ecological targets. Following the construction of a new fire station with facilities needed to service the expanding port, the old fire station on the Mexico Island site – a listed replica of a Hanseatic residence – became redundant and relied on a change of use to ensure its preservation.

Port House in Antwerp
Photo © Hufton+Crow

This disused fire station had to be integrated into the new project. The Flemish government’s department of architecture, together with the City and Port authorities organized the architectural competition for the new headquarters. Zaha Hadid Architects’ design is informed by detailed historical research and a thorough analysis of both the site and the existing building. Working with Origin, leading heritage consultants in the restoration and renovation of historic monuments, ZHA’s studies of the site’s history and heritage are the foundations of the design which firstly emphasises the north-south site axis parallel with the Kattendijkdok linking the city centre to the port.

Port House in Antwerp
Photo © Hufton+Crow

Secondly, due to its location surrounded by water, the building’s four elevations are considered of equal importance with no principal facade. ZHA’s design is an elevated extension, rather than a neighbouring volume which would have concealed at least one of the existing facades. ZHA and Origin’s historic analysis of the old fire station also highlighted the role of its originally intended tower – a grand, imposing component of the fire station’s Hanseatic design. Its bold vertical statement, intended to crown the imposing volume of the building below, was never realised. These three key principles define the design’s composition of new and old: a new volume that ‘floats’ above the old building, respecting each of the old facades and completing the verticality of the original design’s unrealised tower.

Port House in Antwerp
Photo © Hufton+Crow

Like the bow of a ship, the new extension points towards the Scheldt, connecting the building with the river on which Antwerp was founded. Surrounded by water, the new extension’s façade is a glazed surface that ripples like waves and reflects the changing tones and colours of the city’s sky. Triangular facets allow the apparently smooth curves at either end of the building to be formed with flat sheets of glass. They also facilitate the gradual transition from a flat façade at the south end of the building to a rippling surface at the north. While most of the triangular facets are transparent, some are opaque.

Port House in Antwerp
Photo © Helene Binet

This calibrated mix ensures sufficient sunlight within the building, while also controlling solar load to guarantee optimal working conditions. At the same time, the alternation of transparent and opaque facade panels breaks down the volume of the new extension, giving panoramic views of the Scheldt, the city and the Port as well as providing enclosure.The façade’s rippling quality is generated with flat facets to the south that gradually become more three-dimensional towards to the north. This perception of a transparent volume, cut to give the new building its sparkling appearance, reinterprets Antwerp’s moniker as the city of diamonds.

Port House in Antwerp
Photo © Tim Fisher

The new extension appears as a carefully cut form which changes its appearance with the shifting intensity of daylight. Like the ripples on the surface of the water in the surrounding port, the new façade reflects changing light conditions. The old fire station’s central courtyard has been enclosed with a glass roof and is transformed into the main reception area for the new Port House. From this central atrium, visitors access the historic public reading room and library within the disused fire truck hall which has been carefully restored and preserved. Panoramic lifts provide direct access to the new extension with an external bridge between the existing building and new extension giving panoramic views of the city and port.

Port House in Antwerp
Photo © Tim Fisher

The client requirements for an ‘activity based office’ are integrated within the design, with related areas such as the restaurant, meeting rooms and auditorium located at the centre of the upper levels of the existing building and the bottom floors of the new extension. The remaining floors more remote from the centre, comprise open plan offices. Collaborating with services consultant Ingenium, ZHA developed a sustainable and energy-efficient design reaching a ‘Very Good’ BREEAM environmental rating.

Port House in Antwerp
Photo © Tim Fisher

Despite the challenges of integrating with a protected historic building, high standards in sustainable design were achieved by implementing effective strategies at each stage of construction. A borehole energy system pumps water to a depth of 80m below grade in over 100 locations around the building to provide heating and cooling. In the existing building, this system uses chilled beams. In the new extension, it uses chilled ceilings. Waterless lavatory fittings and motion detectors minimise water consumption while building automation and optimal daylight controls minimise artificial lighting.

Port House in Antwerp
Photo © Helene Binet

With constant references to the Scheldt, the city of Antwerp and the dynamics of its port, married with the successful renovation and reuse of a redundant fire station – integrating it as a fully-fledged part of its headquarters – the new Port House will serve the port well through its planned expansion over future generations. Marc Van Peel said: “The architectural style of the original building, a replica of the former Hansa House, recalls the 16th century, Antwerp’s “golden century.” But now above this original, a contemporary structure in shining glass has been built, which I am sure, represents a new golden century for Antwerp. ” Source by Zaha Hadid Architects (ZHA).

Port House in Antwerp
Photo © Tim Fisher
  • Location: Antwerp, Belgium
  • Architect: Zaha Hadid Architects (ZHA)
  • Design: Zaha Hadid and Patrik Schumacher
  • ZHA Project Director: Joris Pauwels
  • ZHA Project Architect: Jinmi Lee
  • ZHA Project Team: Florian Goscheff, Monica Noguero, Kristof Crolla, Naomi Fritz, Sandra Riess, Muriel Boselli, Susanne Lettau
  • ZHA Competition Team: Kristof Crolla, Sebastien Delagrange, Paulo Flores, Jimena Araiza, Sofia Daniilidou, Andres Schenker, Evan Erlebacher, Lulu Aldihani
  • Executive Architect: Bureau Bouwtechniek
  • Structural Engineers: Studieburo Mouton Bvba
  • Services Engineers: Ingenium Nv
  • Acoustic Engineers: Daidalos Peutz
  • Restoration Consultants: Origin
  • Fire Protection: Fpc
  • Site Area: 16,400 square metres
  • Total Floor Area: 12,800 square metres
    (6,600 square metres in the refurbished fire station)
    (6,200 square metres in the new extension)
  • Year: 2016
  • Photographs: Hufton+CrowTim FisherHelene Binet,
    Courtesy of Zaha Hadid Architects (ZHA)
Port House in Antwerp
Photo © Tim Fisher
Port House in Antwerp
Photo © Tim Fisher
Port House in Antwerp
Photo © Hufton+Crow
Port House in Antwerp
Photo © Tim Fisher
Port House in Antwerp
Photo © Hufton+Crow
Port House in Antwerp
Photo © Hufton+Crow
Port House in Antwerp
Photo © Hufton+Crow
Port House in Antwerp
Photo © Hufton+Crow
Port House in Antwerp
Photo © Hufton+Crow
Port House in Antwerp
Photo © Tim Fisher
Port House in Antwerp
Photo © Tim Fisher
Port House in Antwerp
Sit Plan
Port House in Antwerp
Ground Floor Plan
Port House in Antwerp
Level 02 Floor Plan
Port House in Antwerp
Level 06 Floor Plan
Port House in Antwerp
Level 07 Floor Plan
Port House in Antwerp
Level 08 Floor Plan
Port House in Antwerp
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