Bachelor thesis „ Diagnostic assesment of factual situation of wooden object in the Podpoľanie region“ deals with diagnostic assesment of three wooden buildings in the area of Podpoľanie region. It describes history of Podpoľanie and its typical buildings. It also describes damages in wooden constructions, biotic and abiotic factors of their origin and methodology of their research. The subsequent part is dedicated to the results of research and proposition for reconstruction.