Reconstruction of a listed building, the functionalist Villa Stiassni. It was built in 1930 according to a design by architect Ernst Wiesner. The so-called Government Villa was renovated between 2012 and 2014.
A separate part of this project was the new construction of a national methodological centre for the restoration of monuments of 20th century architecture (COPA) with a focus on the 1920s to 1940s.K4 a.s. provided the builder’s technical supervision and coordinating occupational health and safety..