Buildings from the BAG and 3DBAG
Where the building outlines, year built, use and heights on the plates come from, which buildings are left out, and why a height or use can be missing.
Updated 15 October 2026This page was written by AI.
Overview
Every building on the plates comes from the BAG (Basisregistratie Adressen en Gebouwen), the Dutch register of addresses and buildings kept by the Kadaster with the municipalities. Heights come from 3DBAG, a national 3D building dataset made by the 3D geoinformation group of TU Delft and 3DGI from the BAG and AHN laser data.
What comes from the BAG
| Field | Plate | Notes |
|---|---|---|
| Outline (pand) | BUILDINGS and all building plates | The outline as registered by the municipality |
| Year built (bouwjaar) | BUILDING AGE | Placeholder years in the register are treated as unknown |
| Use (gebruiksdoel of the units in the building) | BUILDING USE | A building with units of two or more uses is «Mixed use»; a building with no unit is «Outbuilding (no unit)» |
| Status | (filter) | Buildings that are only permitted, demolished or registered in error are left out |
Use classes
| BAG gebruiksdoel | Class on the plate |
|---|---|
| woonfunctie | Residential |
| winkelfunctie | Retail |
| kantoorfunctie | Office |
| bijeenkomstfunctie | Assembly |
| onderwijsfunctie | Education |
| gezondheidszorgfunctie | Healthcare |
| logiesfunctie | Lodging |
| sportfunctie | Sport |
| industriefunctie | Industrial |
| celfunctie | Detention |
| overige gebruiksfunctie | Other |
| (two or more) | Mixed use |
| (no unit) | Outbuilding (no unit) |
| (not known) | Unknown |
What comes from 3DBAG
- Height: roof height at the 70th percentile minus ground level. The 70th percentile ignores chimneys and small roof structures
- Storeys (bouwlagen) where 3DBAG estimates them; used in the «Site overview»
- 3DBAG follows the AHN laser surveys. Buildings finished after 2022 may have no height yet
- Spires and slender towers come out lower than their tip, because the roof height is a percentile over the footprint
In the Stadsdriehoek example (500 m radius) the tallest 3DBAG height is 103.7 m; 23 buildings are 50 m or taller.
Limitations
- Use is the registered use, not the use on site today
- A recent building can be missing, and a demolished one can remain until the register is updated
- The plates can therefore differ from what is on site. Check the site before drawing conclusions
Data sources
| Data | Licence | Credit |
|---|---|---|
| BAG, Kadaster | CC0 1.0 | BAG (Kadaster) |
| 3DBAG (TU Delft 3D geoinformation and 3DGI) | CC BY 4.0 | © 3DBAG by tudelft3d and 3DGI |
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Example plates: BAG (Kadaster, CC0) · © 3DBAG by tudelft3d and 3DGI (CC BY 4.0) · BGT, NWB, AHN4 (CC0) · Kadaster, Beeldmateriaal.nl, PDOK (CC BY 4.0) · © OpenStreetMap contributors (ODbL)
Example plates: BAG (Kadaster, CC0) · © 3DBAG by tudelft3d and 3DGI (CC BY 4.0) · BGT, NWB, AHN4 (CC0) · Kadaster, Beeldmateriaal.nl, PDOK (CC BY 4.0) · © OpenStreetMap contributors (ODbL)