The idea of the DATAMINE project was to improve the knowledge about the energy performance of the building stock by use of the at that time newly introduced energy performance certificates (EPC). The 12 project partners from 12 European countries agreed on a set of quantities which they recommended to be used for establishing of EPC databases in European countries. Model projects were implemented in all participating countries in which data collection and evaluation of EPC data was realised. The partners transferred the collected national EPC datasets into a common database by use of commonly defined data fields. The collected 19,000 datasets from different countries were finally analysed and compared. For different age and size groups “average buildings” were defined which are representative for the respective sample subsets.
