In Flanders, flood risk information is mandatory when selling a property. Since 2023 it has been expressed as a P-score (plot) and a G-score (building).
Scores from A to D
The scores run from A (no flood risk) to D (medium flood risk). The information matters to the buyer and can affect the insurance premium.
Wallonia and Brussels do not use this scoring system; there the notary informs the buyer whether the property lies in a flood-prone area.
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