Insignificant safety of foundations of this structure and absence what or analogues, did not give possibility to conduct the reconstruction of his original appearance. On the fragments of the fresco painting, watering ceramic tiles and fretted architectural details, found in place of excavations from slate and marble, it is possible to judge buildings about rich dekore. Probably this princely palace was built as early as times Kiev girls. Foundations, buildings of the Old Russian period, discovered on the slope of the Starokievskoy mountain, belong, in opinion of scientists, to the princely palace «out of city». Built later, possibly in the days of reigning of Oleg, this palace, excelled a palace the sizes and maid «at a city» and in connection with that he is erected on a lot of years before the Tithe church, speech about which will go below, probably him and it is necessary to consider the first stone structure of city of Kiev girls. During the rule of Kiev girls Olga, on Hem, for arrive christians, was built first on Russia, wooden Il’inskaya church (945).
It was disposed in place of the modern Ilinskoy church (a street Pochayninskaya, 2). In twelve years (957), Olga and becomes the first representative of princely family, accepting the Orthodox faith. After Olga its son Svyatoslav began in Kiev to reign ( 965 - 972). He continued the policy of strengthening of power of the state. Concluded the row of advantageous for Kiev girls agreements with Vyzantia.