3D Land Administration and Cadastral Systems

Three-dimensional land administration extends traditional cadastral practices beyond planar boundaries to capture the full volumetric complexity of land rights, restrictions and responsibilities in urban and subsurface environments. By integrating legal-spatial datasets with digital representations of buildings, infrastructure and underground spaces, 3D cadastral systems offer unambiguous tenure delineation in high-density and multi-level contexts. The ISO 19152 Land Administration Domain Model (LADM) provides a conceptual framework for harmonising legal, spatial and party information, while standards such as CityGML and Building Information Modelling (BIM) supply the technical backbone for geometry, semantics and interoperability. Recent advances in machine learning, remote sensing and semantic data models have enabled automated boundary extraction, seamless alignment of physical and legal data, and real-time querying of volumetric units. In developing nations and post-conflict regions, fit-for-purpose approaches and community-driven mapping empower land rights formalisation and support sustainable development goals. In dense urban centres, 3D cadastral models underpin property valuation, facilitate complex condominium ownership, and guide subterranean infrastructure planning. Emerging applications include digital twins for smart cities, integrated underground land use planning, and scenario analysis for disaster resilience. Across jurisdictions, effective governance of 3D cadastral information relies on standardised data schemas, cross-sector collaboration and robust legal frameworks to ensure accuracy, transparency and equity in land administration.

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3D Land Administration and Cadastral Systems publication trend

The graph below shows the total number of articles in 3d land administration and cadastral systems across all publications each year (not limited to Nature Index journals).

Technical terms

3D cadastre: A system that records land rights and legal spaces in three dimensions, capturing volumetric property boundaries above and below the earth’s surface.

Land Administration Domain Model (LADM): An ISO standard (ISO 19152) offering a conceptual schema for integrating legal, spatial and party information in land administration.

Application Domain Extension (ADE): A mechanism to extend the CityGML standard with domain-specific entities and attributes for specialised use cases.

CityGML: An international standard for representing 3D urban objects and their semantics, geometry and appearance in a unified model.

Building Information Modelling (BIM): A digital representation of physical and functional characteristics of built assets, facilitating data exchange across design, construction and registration phases.

Rights, Restrictions and Responsibilities (RRRs): The legal constructs that define who holds which entitlements, limitations and duties over a spatial unit.

References

1. CadastreVision: A benchmark dataset for cadastral boundary delineation from multi-resolution earth observation images. ISPRS Journal of Photogrammetry and Remote Sensing (2024).
2. A semantic 3D city model for underground land administration: Development and implementation of an ADE for CityGML 3.0. Tunnelling and Underground Space Technology (2023).
3. Design of the new structure and capabilities of LADM edition II including 3D aspects. Land Use Policy (2024).