In context of overlay "Places" – Alex Neil Estate Agents (Estate Agent) – way/450471934 via StreetComplete 63.4:

Remove POI on whole building: only on ground floor + no longer Alex Neil real estate but Edit Framing shop, tagged separately as its own POI.

Missing building here

via StreetComplete 63.4

Attached photo(s):
https://streetcomplete.app/p/371820.jpg
https://streetcomplete.app/p/371821.jpg

In context of overlay "Places" – Poshpita (Fast Food) – node/4738112137 via StreetComplete 63.4:

Looks gone already. Giving it a few weeks before marking this as vacant.

Unable to answer "How many levels above the basement does this building have?" – Row of terraced houses – way/996134508 via StreetComplete 63.4:

Not a single building but several

Unable to answer "Does this pedestrian crossing have tactile paving on both sides?" – Unmarked Crossing – node/13851164857 via StreetComplete 63.4:

No crossing here

Attached photo(s):
https://streetcomplete.app/p/371819.jpg

"Closed and website confirms they are changing business model"
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: 2023-12-13T18:30:01Z
POI name: The Gallery
POI types: building-address wheelchair-yes
#organicmaps android

Unable to answer "Is there a restroom here?" – Rest Area – way/157570100 via StreetComplete 61.0:

The rest area is currently gone and under complete renovation