Hello, you changed this building.
These buildings are imported from official source. This is on the groundlevel measurement.
The drawn extension, does not exits.
The aerial is laying on it's place but the roof has a offset, because the angle the image is taken. See the below building, The white wall, on groundlevel is allright, but on roof level it is not.
https://bagviewer.kadaster.nl/lvbag/bag-viewer/?objectId=0171100000029513&theme=BRT+Achtergrond&geometry.x=178764.73450000002&geometry.y=524392.8840000001&zoomlevel=15&bijbehorendeAdressen=Pand

Look for groundlevel points

I imported it again.