Unable to answer "What kind of building is this?" for way/1130574695 via StreetComplete 54.0:

Appears to be connected to 70 Niell street

Attached photo(s):
https://westnordost.de/p/176688.jpg
https://westnordost.de/p/176689.jpg

Unable to answer "What kind of building is this?" for way/1130574634 via StreetComplete 54.0:

House is split into two

Attached photo(s):
https://westnordost.de/p/176682.jpg

This is where the Local Property Team office is located but not shown on this map. https://www.localpropertyteam.com.au/real-estate-gold-coast

"closed down a couple months back"
The place has gone or never existed. A user of Organic Maps application has reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2023-08-14T02:00:17Z
POI name: Bee Bee Q
POI types: cuisine-chicken amenity-fast_food
#organicmaps android

"their official name is all caps"
OSM snapshot date: 2023-08-14T02:00:17Z
POI name: Ace Audiology
POI types: healthcare-audiologist
#organicmaps android

55 Ewing Loop

New building, not sure what it is

Patching here outdated. Carpark turns into concrete footpath leading under a roof, which fork left on paving stones before reaching a roofed rectangle around the subsequent building.

via StreetComplete 54.0

Attached photo(s):
https://westnordost.de/p/175990.jpg

You're allowed to cycle along the Kiama Coast Walk. It's listed on the council website as known cycling route (Kiama to Gerringong).

https://kiama.com.au/experience/activities/cycling

main expressway through here now stays 110. This replaces the former 100 speed