The new Kunsthaus Zürich extension expands the existing Kunsthaus museum, situated between the Grossmünster church and the university. The Kunsthaus Zürich now represents the largest art museum in Switzerland, comprising four buildings from different eras – the Moser building dating 1910, the Pfister building dating 1958, the Müller building dating 1976 and the Chipperfield extension dating 2020. The new freestanding building houses the collection of classic modernism, the Bührle collection, temporary exhibitions and art from 1960 onwards.
Based on the 'Central Campus' masterplan published in 2007, the museum buildings and the Schauspielhaus theatre located on the east side of the urban square Heimplatz, form a 'gateway to the arts' as an urban entry to the 'education mile'. Here, the large freestanding buildings of Zurich’s universities are lined up like a string of pearls leading northwards. The urban concept for the extension envisaged the placement of a clear geometric volume on the northern edge of the square. The building form takes inspiration from the old cantonal school, built in 1842 to the north of the site, which defines the urban frame with its architectural clarity. The urban plan defines two new external spaces: the urban square to the south, framed on all four sides by buildings and the new art garden to the north as an open and permeable natural environment.
An expansive entrance hall, spanning the full length of the building, creates a link between the two new urban spaces with its floor-to-ceiling windows. Due to its low-threshold accessibility it likewise acts as a public link between the institution and the city. A visitor passageway running underneath the square connects the new building with the existing Kunsthaus, creating one institutional entity.
The architectural identity is modelled on traditional stone façades, as found in the existing Kunsthaus and many other significant public buildings in Zurich. The new building combines tradition and innovation through slender vertical fins crafted from local Jurassic limestone with sawn surfaces and placed at regular intervals in the façade, embedding the building in its urban and cultural context in a contemporary manner.
The internal organisation is based on the concept of a 'house of rooms'. This idea finds its expression in the different design of the rooms in terms of size, orientation, materiality and lighting, giving each room its own character and creating a diverse sequence of rooms. All public functions such as the café/bar, event hall, museum shop and museum education services are arranged around the central entrance hall at ground floor level, while the two upper floors are reserved exclusively for the display of art. The varyingly dimensioned exhibition spaces are characterised by a calm materiality and an abundance of daylight –side light on the first floor and skylight openings on the second floor – placing the immediate experience of art at the centre of the museum visit.