15 steps.

via StreetComplete 50.1

Attached photo(s):
https://westnordost.de/p/126982.jpg

GPS Trace: @Joseph%20Haig/traces/5829421

Six steps.

via StreetComplete 50.1

Attached photo(s):
https://westnordost.de/p/126981.jpg

GPS Trace: @Joseph%20Haig/traces/5829415

This is the position of the bridge, which is slightly different from on the map.

via StreetComplete 50.1

Attached photo(s):
https://westnordost.de/p/126980.jpg

GPS Trace: @Joseph%20Haig/traces/5829412

9 steps down to the stream.

via StreetComplete 50.1

Attached photo(s):
https://westnordost.de/p/126977.jpg

GPS Trace: @Joseph%20Haig/traces/5829401

Three park benches and an information board. I don't know if they are already in the map.

via StreetComplete 50.1

Attached photo(s):
https://westnordost.de/p/126976.jpg

Unable to answer "What are the opening hours of Chinese Garage (Car Dealership)?" for way/44054743 via StreetComplete 29.1:

This is an off licence (Magestic Wines) on the South Eden Park Road side and a Tesco Express on the Stone Park Avenue side.

Unable to answer "What is the name of this place? (Florist)" for node/766153990 via StreetComplete 31.2:

This is now the office of www.drainsmart.org

This post box is on the other side of the road.

via StreetComplete 30.1