Leonardo - Thurgauerstrasse 80

Short description

The "Leonardo" office building, which went into operation in 2002, was at the time the largest office building in Switzerland to be built to the Minergie standard.

The project

The owner of the real estate fund CS 1a Immo PK, represented by Credit Suisse Funds AG, commissioned Implenia Schweiz AG as general contractor to convert the "Leonardo" commercial building from April 2018 so that 42 new rental units can be created by April 2019. In addition to general interior renovations of surfaces, this also includes the provision of all building services systems so that the commercial building can be rented out for 42 rental units.


  • Logistics during conversion
  • Continued operation and protection of the existing building services installations


  • Conversion of the illuminants to LED technology
  • Preparation of an energy consumption analysis with a plan of action

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