Extension and Refurbishment of the Office Building Regionalwerke Baden

Location Baden

Programme Listed office building (built in 1934 by the architects Robert Lang and Hans Löpfe; refurbished in 1988 by the architects Herrmann Eppler, Luca Maraini with Manuel Schoop).
Extension of three office storeys above the existing building with a new access core and entrance.
Refurbishment of the listed office building.
Extension of the underground parking garage.
Photovoltaic system on the roof.

Competition Planerwahlverfahren: June – August 2024, 1st Prize

Gross Floor Area 1'347 m2 (Addition)

Competition Organzier Regionalwerke AG Baden

Team GG Annette Gigon, Michèle Favre, Stefan Thommen

General Planning GP Ghisleni Partner AG and Gigon/Guyer Architects

Structural Engineer WaltGarlmarini AG, Zurich

Building Services Engineer Waldhauser + Hermann AG, Münchenstein

Building Physics Engineer Bakus Bauphysik und Akustik AG, Zurich

Visualization Zuend, Zurich