This project initiates the transformation of a former harbour area in the south of Stockholm into the new ecological district of Hammarby Sjöstad.

Project Name: Sthlm 01
Brief: Office building with retail space, cafés and a public sky bar
Architecture Firm: Sauerbruch Hutton
Firm Location: Berlin, Germany
Competition: 2013, 1st prize / Completion Year: 2020
Gross Floor Area: 35.200 m²
Certifications: LEED Platinum
Project location: Hammarbybacken 27, 120 30 Stockholm, Sweden

Design team:

Louisa Hutton, Matthias Sauerbruch, Juan Lucas Young;
Lina Lahiri, Jonas Luther;
Madeleine Appelros, Jimi Estevez, Philipp Heese, Erik Levander,
Elena Martinez, Ana Rita Silvestre Caneira, Elisabet Sundin

Client: Skanska Fastigheter Stockholm AB
Local Architects: Byrån för Arkitektur & Urbanism BAU AB, Stockholm
Landscape Planning: WSP Sverige AB, Stockholm
Structural Engineering: WSP Sverige AB, Stockholm
Façade: Staticus Sverige AS, Sollentuna

Sthlm 01 By Sauerbruch Hutton - Sheet8
©​Jan Bitter

Situated along the western edge of the redevelopment area, south of the bridges over Hammarby canal and beside a major road into Stockholm, the ensemble comprises a tower and a low-rise building with heights of 100 and 25 metres respectively. Together, these two distinct volumes reconcile the divergent scales and conditions of the immediate context that occupies the interface between the wide arterial road and a narrow park to the west and, to the east, the new city district that lies some 16 metres lower. Between the two buildings a sweeping flight of steps enlarges the local pedestrian network in providing an additional route to and from the nearby underground railway station and the new housing area by the water.

Sthlm 01 By Sauerbruch Hutton - Sheet11
©​Jan Bitter

The emblematic geometry of the tower – a conical star that gradually extends its perimeter as it rises into the sky – minimises its footprint on this limited site while providing flexible office space that benefits from long-distance views and an abundance of daylight. On the two different ground levels there are commercial units while a restaurant and sky bar on the top level of the high-rise offer spectacular views of the city.

Sthlm 01 By Sauerbruch Hutton - Sheet12
©​Jan Bitter

The façade of the tower presents a striking chromotope that gives identity to the new district and provides a landmark for orientation – in keeping with the new building’s name: Stockholm One.


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