The research project was dedicated to introduce specific procedures into the sector of landscaping and human settlements with regard to sustainable development, by means of security management tools. The theoretical basis was created for the decision support system (DSS) in favor of sustainable development, along with the formalised methodology for conditions of the Czech Republic with use of axiomatic theory of utility, multi-criteria decision-making analysis and the precautionary principle. Within the project, the internal proposal guide, scripts and training manuals were processed for the customer, the Ministry of Regional Development of the Czech Republic (MMR).