Unable to answer "Who is allowed to use this playground?" for way/895737166 via StreetComplete 53.3:

Not a playground : it's green space surrounding a number of memorials

Attached photo(s):
https://westnordost.de/p/164772.jpg

Unable to answer "Is this still here?" for node/8808689640 via StreetComplete 53.3:

Clark's Optometrists is still here, but the spelling needs fixing!

Unable to answer "Is the water potable here?" for way/78230665 via StreetComplete 53.2:

Historically it clearly used to be used for drinking, but there's no sign now

Attached photo(s):
https://westnordost.de/p/159899.jpg

Unable to answer "Who is allowed to use this playground?" for way/895970070 via StreetComplete 53.3:

Nobody at present : it is locked and derelict after the school that it was connected to was repurposed.

Unable to answer "Who is allowed to park here? Parking may be free or paid." for way/972358839 via StreetComplete 53.3:

Adjacent NHS building is currently unused, so at the moment it's free for all - but that may change

Unable to answer "Are there sound signals for the blind here?" for node/10319580 via StreetComplete 53.3:

This is mid-labelled. It's a zebra crossing, not one with signals.

Unable to answer "What kind of building is this?" for way/426440276 via StreetComplete 53.3:

It's a small museum and memorial space. Not sure what category that should come under.

Unable to answer "Where is this fire hydrant located?" for node/10903305248 via StreetComplete 53.2:

This is not a fire hydrant, it is a water hose for refilling the tanks on trains. It is positioned between the tracks.

Attached photo(s):
https://westnordost.de/p/159752.jpg