Herzog & de Meuron’s SIP Main Campus weaves together nature and sculptural concrete

SIP Main Campus, a new workspace by Herzog & de Meuron, completes on the Swiss-French border

internal courtyard at SIP Main Campus by Herzog and de Meuron
(Image credit: Julian Lanoo)

SIP Main Campus, a new building that forms part of a growing district focusing on pharmaceuticals, medicine, and research in Switzerland, has just been completed by Herzog & de Meuron. The office scheme, which is located in Allschwil, a stone’s throw from the French border, offers modern workspace adjacent to the developing area's numerous facilities – including sports courts and a recreational area – alongside lots green space for its users. 

facade grid detail at 462 SIP Main Campus by Herzog and de Meuron

(Image credit: Julian Lanoo)

SIP Main Campus: contemporary Swiss workspace by Herzog and de Meuron

SIP Main Campus is ‘based on the concept of a “courtyard house”,’ write the architects. And while, at 50,000 sq m of usable floor area and some 2500-3000 employees strong, this headquarters is far from domestic in scale – it's actually the largest structure in its wider area – the architectural approach sought to mimic the warmth and wellbeing offered in residential settings. 

close up exterior of grid facade at 462 SIP Main Campus by Herzog and de Meuron

(Image credit: Julian Lanoo)

To this end, greenery was placed at the heart of the scheme, with a richly planted courtyard at its core, defining the design. It connects to the overall district by being one of a series of green spaces ‘contributing to a good microclimate and allowing connections from one property to the next.’

organic concrete staircase at 462 SIP Main Campus by Herzog and de Meuron

(Image credit: Julian Lanoo)

Meanwhile, a grid-based facade made of poured-in situ concrete creates a juxtaposition between natural and manmade context. The material was selected to absorb ‘vertical loads and serve as bracing for wind and potential earthquakes.’ Within the grid, loggias offer space for encounters, contemplation and connection with the outside. The structure’s slightly slanted vertical elements help add a softness, as well as creating thicker shading for the businesses and restaurants occupying the ground floor. 

organic circulation interior at 462 SIP Main Campus by Herzog and de Meuron

(Image credit: Julian Lanoo)

Inside, four feature staircases in organic shapes carve dramatic circulation space, and connect the workspaces with communal areas and the building's main auditorium – which is also available for external events, reaching out to the local, wider community in the area. 

hero exterior side view of462 SIP Main Campus by Herzog and de Meuron

(Image credit: Julian Lanoo)

These circulation hubs also feature site specific artwork by Basel-based artist Renée Levi. They include a custom-made wool tapestry, Nina, which hangs in one of the auditorium walls.  

lab interior at 462 SIP Main Campus by Herzog and de Meuron

(Image credit: Courtesy of Basel Area Business and Innovation)

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Ellie Stathaki is the Architecture & Environment Director at Wallpaper*. She trained as an architect at the Aristotle University of Thessaloniki in Greece and studied architectural history at the Bartlett in London. Now an established journalist, she has been a member of the Wallpaper* team since 2006, visiting buildings across the globe and interviewing leading architects such as Tadao Ando and Rem Koolhaas. Ellie has also taken part in judging panels, moderated events, curated shows and contributed in books, such as The Contemporary House (Thames & Hudson, 2018), Glenn Sestig Architecture Diary (2020) and House London (2022).