This thesis covers the main problems related to loss of housing in the context of the institutional setting in the Czech Republic. The aim of this thesis is explaining the institutional setup of the system of prevention and help people / households that are at risk of losing housing and evaluate the system in terms of the possibility of prevention of social exclusion.The introductory part describes the characteristics of the key concepts in housing policy in relation to social housing and various approaches to social housing in selected countries (Sweden, Germany, Great Britain). The thesis focuses on the institutional analysis of the existing legal framework and possible solutions to the current housing shortage (welfare, social work, social services). In the research part of this thesis a case study of Louny municipality has been chosen as a model sample of resolving the current shortage of housing. Results of the analysis had been confronted and evaluated by perspective of people solving housing problems and relevant social workers working with poor people. In the end of the thesis, a SWOT analysis is delivered identifying strengths, weaknesses, opportunities and threats of the system.