Unable to answer "What’s the house number of this building?" for https://osm.org/way/1021475772 via StreetComplete 53.0:

Block of 2 self contained holiday accommodation, belonging to Bridge House

Attached photo(s):
https://westnordost.de/p/150769.jpg
https://westnordost.de/p/150770.jpg
https://westnordost.de/p/150771.jpg