text: Yes, they are according to BAG (base for house numbers in The Netherlands) https://bagviewer.kadaster.nl/lvbag/bag-viewer/index.html#?searchQuery=slagharen&resultOffset=0&objectId=0160100001405249&geometry.x=236982.2958125&geometry.y=512376.52284375&zoomlevel=7&detailsObjectId=0160010000051582