The European project, HeritageCare, aims to develop a methodology to help managers preserve historic monuments. The methodology developed integrates the advantages of historical building information modelling (HBIM): 3D visualization, grouping of information (history, diagnostics, videos, etc.) under the same object, help with monitoring of maintenance, help with the planning of works, etc. First, this article develops a state of the art HBIM and its use: realization of a numerical model (tools and database of objects), help with the maintenance, and identification of the risks associated with the realization of the works. The second part is devoted to the presentation of the HeritageCare project: context and challenges, content and development of the HBIM part.