Directly on Poststrasse Zurich, just a few steps away from Paradeplatz, Allreal is renovating a historic building while the city continues to operate. The construction site requires a delicate touch: for the existing structure, for monument preservation – and for one of the most sensitive locations in the heart of Zurich.

Stucco ceilings, historic windows, and natural stone facades have characterized the building for decades. Instead of replacing them, they are being preserved: damaged stucco elements are being repaired, and new windows are being produced true to the originals and carefully installed. The sandstone facade is being cleaned, repaired, and renovated in close consultation with the authorities – so that its appearance continues to convey its history.

The attic is being converted into extraordinary apartments with maisonettes, galleries, and terraces. In some cases, the elevator leads directly into the residential unit. Existing wooden floors are being preserved and combined with additional impact sound insulation. Visible steel beams meet historic building fabric—a deliberate interplay of old and new.

Up to 45 skilled workers are working on the construction site at the same time. Deliveries, scaffolding, roof and facade work must be meticulously coordinated – in the middle of the city center, with limited space and a busy environment. Each stage is interlinked, and every intervention must be planned.

The construction site on Poststrasse is a prime example of building renovation: technically demanding, precise in terms of monument preservation, and complex in terms of organization. The result is a building that preserves its history – and at the same time is ready for new uses.