‘Development of a business case on the roll out of Digital Building Logbooks’ presents a comprehensive analysis of how Digital Building Logbooks can become a key element in modernising data management in the European building sector.

These platforms make it possible to centralise technical, administrative, and energy‑related information about buildings, facilitating faster and better‑informed decisions throughout their entire lifecycle. The document concludes that, despite recent progress, important challenges remain: clearly demonstrating their added value, avoiding fragmentation through common standards, and making full use of existing regulatory obligations such as those under the Energy Performance of Buildings Directive (EPBD).

Through case studies from several Member States, the report shows that the benefits of DBLs — including faster permitting processes, more accessible renovations, and greater material circularity — far outweigh their costs, especially as the number of users grows. The results confirm that economies of scale and integration with tools such as BIM or renovation passports amplify their impact.

The study proposes moving towards a coherent European framework that establishes unique building identifiers, harmonised data dictionaries, and clear governance rules. In this way, DBLs could become essential infrastructure to drive digitalisation, accelerate renovation, and improve housing affordability across Europe.