Überbauung Grünau, Residential complex in Altstetten, Switzerland

Überbauung Grünau is a residential complex in Altstetten comprising two elongated buildings and a high-rise tower nestled between the Limmat River and Bernerstrasse. The site integrates multiple apartment units, a school, community spaces, and facilities for seniors within a single cohesive development.

The Grünau was planned in the early 1970s as a new neighbourhood on Zurich's outskirts meant to function as a centre, slowing the city's population decline and providing housing quickly. The city supplied the land under building rights, and the estate was intended to mix residents of different social classes. It was soon criticised for its size and missing infrastructure and was perceived as a ghetto with vandalism and petty crime.

The name Grünau refers to the green meadow the estate was built on; the city supplied the land under building rights rather than selling it. Two churches, one Swiss Reformed and one Catholic, were planned but never realised. The two 250-metre rows hold 605 flats and the tower 100, giving 705 homes for a socially mixed population.

The complex is accessible from multiple entry points along Tüffenwies, Grünauring, Brändlistrasse, and Meierwiesenstrasse, making it straightforward to reach by foot or local transport. Walking through the grounds is possible, with clear pathways between the different sections.

When completed, it was the largest residential project Zurich had undertaken, establishing new standards for urban housing density and mixed-use living. The deliberate integration of apartments for different income levels within the same development was an unusual approach for its era.