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Brussels-Capital Region: URBIS collaboration


This project embodies the cooperation agreement of May 2017, between the GAPD (General Administration of Patrimonial Documentation) and the Brussels-Capital Region IT Centre, with the aim of setting up an efficient exchange of information on parcels and buildings between the two organisations, in order for the products of both organisations (UrbIS-P&B and CADGIS) to be derived from the same common information and to avoid duplicate record-keeping.

With respect to content

During this project, for a period of one year (2018), the GAPD will incorporate the geometry of the administrative parcels (UrbIS-P&B) from the Brussels-Capital Region IT Centre and as such, replace the geometry of the cadastral parcels (Bpn_CaPa) (after corrections) in the cadastral parcel map (CadGIS).

During the ‘incorporation’ process, errors will be detected in the administrative parcel layer (UrbIS-P&B) related to geometry or parcel numbers, which will be corrected as required. The incorporation is carried out by municipality, in accordance with a prepared schedule. All municipalities of the Brussels-Capital Region will have been dealt with by early 2019.


The end result of this project will be one (unique) parcel map with, for each cadastral parcel, an approximate vectorial representation of location and shape, usable in a scale range of 1/250 - 1/5000. The aim is a geometric accuracy of parcel boundaries in line with the European INSPIRE recommendations, being 1 metre in urban areas and 2.5 metres in rural areas. It is important to stress that the parcel geometry in this map is not a substitute for the legal surveyor and demarcation plans.

As soon as the GAPD has incorporated this data, it will continue to manage it according to specific agreements between the two organisations. The representation of buildings on the cadastral parcel map will be replaced by data provided by the region. The (unique) parcel map is the direct source for the cadastral parcels (Bpn_CaPa) in CadGIS and the parcels from UrbIS-P&B.