Reconstruction of the listed building, functionalist villa Stiassni. Villa Stiassni was built in 1930 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 building of the National Methodological Center for the Restoration of Monuments of Architecture of the 20th Century (COPA), focusing on the 1920s to the 1940s. K4 a.s. participated in this realization by performing technical supervision of the builder and coordination of OSH.