public footpath goes north and east from here, can't see exactly where it goes, please map using GPS

Unable to answer "What’s the house number of this building?" for osm.org/way/236063457 via StreetComplete 51.1:

The gallery on the corner says it's number 13, but the others don't have numbers.

Attached photo(s):
https://westnordost.de/p/135170.jpg

London Road and Marlborough Road need updating following 2024 Active Travel scheme. Traffic Lights at junction, with cycle only and pedestrian only phases. Includes two stage right turn pockets for turning right off London Road.
Contraflow cycle lane on Marlborough Road.
https://storymaps.arcgis.com/collections/d398ab88e56b4461a033343e36148574?item=3

Unable to answer "Which direction leads upwards for these steps?" for osm.org/way/170320226 via StreetComplete 51.1:

Set of stairs both up and down very close to each other.

Attached photo(s):
https://westnordost.de/p/135275.jpg

model railway club has a club=* tag I think, unlikely that it's an amenity=community_centre but not implausible

Unable to answer "Who is allowed to park here? Parking may be free or paid." for osm.org/way/150456459 via StreetComplete 51.1:

It needs to be divided into two sections. Once section (closer to London Road is only for certain business customers), the other section is any member of the general public paid parking.

There is a public footpath that goes south from here and needs to be mapped with gps

This bus station has been closed permanently. There is a message placed clearly on the bus sign.