Unable to answer "What’s the house number of this building?" – Detached House – https://osm.org/way/962893133 via StreetComplete 58.2:

Cześć budynku nr 7

Attached photo(s):
https://westnordost.de/p/225148.jpg
https://westnordost.de/p/225149.jpg
https://westnordost.de/p/225150.jpg