The bachelor thesis focuses on the evaluation of the effectiveness of an investment project involving the reconstruction of an administrative building in the city of Brno. The theoretical part addresses the issues related to investment activities in the construction sector, particularly the project life cycle, determination and fulfillment of cash flows, establishment of economic efficiency indicators, basic principles of project assessment using the defined indicators, and description of project sensitivity analysis. The practical part is dedicated to a specific development investment project, primarily describing the basic characteristics of the building under consideration, creating cash flows, subsequently evaluating the economic effici...