‘Densification’ is the magic word for filling free spaces in the current land development of cities. This includes additions of new floors, building extensions, closure of gaps between buildings, and rearrangement of buildings themselves. Former parking spaces and industrial zones are used for this, being repurposed as land for residential buildings. Densification is a sensible way to build cities also from the viewpoint of sustainability. Less agricultural land is covered in concrete on the edges of the cities, and the already available urban infrastructure and street, electricity, water and telephone connections can be used.

In Switzerland, too, there are still some old industrial areas that have potential for rezoning. One of the best known of these is without doubt the Europaallee in Zurich. SBB (Swiss Federal Railways), the city of Zurich and the postal service have been working together on implementing this project since 2003. The new urban part of the city is connected to its current infrastructure and is linked to the local commercial and restaurant services.

However, very few densification projects have such a scale. Landolt Areal is a significantly smaller project that was completed at the same time. Fifty-two high-quality flats were built in the former production area of the Landolt winery. In order to create added value for the residents in this area highly influenced by urban development axes, the design by Bünzli & Courvoisier Architekten includes interleaving of the buildings with the surrounding green areas (such as Sihlhölzli and the Sihl riverside). High-quality products were used in the construction, ensuring sustainability through their better durability, for example.

  1. Densification is also used as a tool for creating more living space in Hamburg. The Uptownhouses are a clear example of new high-quality residential estates in Hamburg planned by eight different architecture firms. The 26 designer townhouses create together a new and attractive residential area, impressing with their sustainability, quality and added value for the surroundings. The typology of a townhouse should create a reference for the surrounding area, make flexible use of changing living and work requirements possible, and correspond to the local features.


Both of the projects share the use of Bauwerk’s parquet with HDF base. The selection of this parquet structure is not surprising, as it has advantages in terms of durability and sustainability. Despite its relatively thin surface layer (2.5 mm), the parquet can be polished multiple times, and the low structural height means that it is particularly suitable for use with floor heating, as the HDF parquet has high and long-lasting form stability. Besides the low likelihood of swelling and shrinking, the HDF base offers excellent surface layer adhesion. The product also has some advantages in terms of sustainability. Thus, its compact structure requires less valuable high-grade wood, and the production process can avoid harmful substances, promoting healthy living. Such features are important in projects like Zurich’s Landolt Areal or Hamburg’s uptownhouses that focus on a high building standard to guarantee long-term satisfaction among their residents.

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