The topic of this paper is the conversion of the existing sacred building, the church of St. Rudolf in Banoštor. By conducting a detailed analysis of what modern man needs, as a result of the research, a multifunctional space was obtained. Also, with this approach, multifunctional space, the result is that the building will „live“ at any time of the year. The first part of the paper includes a historical analysis of buildings from that time and the already mentioned building, while the second part presents a clear analysis, approach and purpose of the building itself. Through drawings of bases, cross-sections, layouts and three-dimensional representations, the way in which the concept was achieved is concisely presented.