After II World War new Polish administration renamed villages Kiephof into Konarzewo, Külz into Kulice and Jarchlin into Jarchlino. Bismarck property was nationalised, as well as major Polish properties on genuinely Polish territories (as consequence of sovietisation of the country). The same happened to manors in Konarzewo and Kulice. Just like majority of manors an palaces, they were administered by State Agrarian Real Estates, and transformed into agrarian complexes organised in State Farms. In that time manors were used as flats and offices. According to older inhabitants of Konarzewo, in 1960's, during overhaul, there was a fire in manor's attic. We can assume, that then manor lost its rectangular hip roof covered with ceramic tile (visible on 1930's photographs) replaced with metal gable roof.
After 1989 political breakthrough State Farms begun to collapse, and manors became property of the "State Treasury Agrarian Real Estate Agency". Subsequently, the Agency sold on the property by tender. In 1994/95 on the initiative of the last German owner Philipp von Bismarck, manor in Kulice was reconstructed and simultaneously adapted to modern conference centre where Foundation "European Academy Kulice-Külz" work. Renovation was financed by Ministry of Home Affairs of FRG and Polish-German Cooperation Foundation. We hope that the new investor will be found and also Konarzewo manor will be restored to its former glory.