bxl-forever
They are already on the map, as localities.  You may not see them on the main layer (osm-carto) but they are in the database.  Other renderers show those.

Le Logis
https://www.openstreetmap.org/node/370838024#map=16/50.8059/4.4176&layers=C

Floréal
https://www.openstreetmap.org/node/370790218#map=19/50.80885/4.42079&layers=C