The goal of this thesis „The town and country planning practice transformation from the viewpoint of procurer (municipality)” is assessment of changes in the town and country planning in connection with passage of the new Building act. In the first part, there is comparison between old and new legal regulations, mainly in the area of preparation studies according a procurer, processing survey and analysis, and also details for the draft of the plan specifications municipality according to old Building act and their replacement by acquisition of planning analytical materials and making additional survey and analysis in terms of preparation of the draft of the plan specifications of municipality according to new legal regulations. The next part deal with the concrete experience of the municipalities with extended powers and application new Building act in the area of acquired territorial and analytical documents.