In the initial period of the Great Patriotic War of 1941-1945 the Usadba was in the zone of military actions.
After war termination, in 1946 the labor settlement was placed in the buildings of the Usadba that was functioning about 10 years, and later, till the end of the 1980th there was medical establishment.
In the 90th years of the 20th century the complex was in bad condition, slow process of desolation and destruction took place. In 1990 the city of Sortavala was included into the list of historical cities of Russian Federation. Thereon in the beginning of the 1990th the inventory of historical and cultural monuments took place. As a result of conducted works the part of buildings of the “Ladozhskaya usadba” was recognized as historical and cultural monuments.
Restoration and reconstruction works of the “Ladozhskaya usadba” in Niemeliankhovi have started in 2011 and continue till the present time. The main task of architects and masters in 21 century was to return historical look of big Finnish agricultural Usadba of the end of XIX – beginning of XX centuries of Severnoe Priladozhie.