Unable to answer "What kind of building is this?" for https://osm.org/way/755105546 via StreetComplete 50.1:

This is a row of six semi-detached row houses. 1436, 1440, 1444, 1448, 1452, 1456.

Attached photo(s):
https://westnordost.de/p/126883.jpg
https://westnordost.de/p/126884.jpg