As part of the SUM4Re project, which aims to create materials banks from the built environment through the circular economy, this paper explores the intersection of labour productivity, 3D data acquisition, and governance in the context of building inventories, with a particular focus on Binckhorst area (The Hague, The Netherlands). Although Augmented Reality (AR) devices were not designed to export 3D data capture, the integration of diverse sensors, such as LiDAR and RGB cameras, allow AR devices to become low-cost scanning tools as a viable alternative to more expensive conventional devices. In addition, governance aspects, and particularly the role of municipalities can facilitate data collection and sharing by regulating it. The Hague is a clear final example of Scan/BIM/GIS integration thanks to its 3D Mirror City. This study develops a theoretical-practical framework to assess labour productivity in building inventories, examining the cost implications of barriers and regulations that affect the efficiency of data collection processes. The framework is operationalized through a questionnaire designed to capture key elements of labour productivity. By integrating these three components, the study aims to contribute to the understanding of how innovative technologies and governance models can improve efficiency in the construction sector, foster circular economy practices, and promote more sustainable urban development.