The historical town centre of Szécsény is one of the most homogeneous historical units of the northern part of Hungary. Its rehabilitation was completed by EU sources, however, the situation was difficult due to the complicated ownership and trustee structure of the project elements. In addition, the, the shortage of time, and the extra tasks required by the special way of plan-making for historic buildings was an extra burden upon the municipality as project holder. The complex project preparation activity has been done with the technical assistance of the Urban Development Plc., for the management and specialists of the Local Government. It included the organisation and coordination of the multi-fold technical, financial and legal preparation and planning work, harmonised the preparation activity and the elaboration of the project proposal at a local level in order to submit a well prepared application.