Fixed it with this edit: https://www.openstreetmap.org/changeset/129691265#map=19/51.51677/-0.12421&layers=N

After surveying briefly. I took a few photos including this one:
https://www.instagram.com/p/CluTxIut8fA/

...which confirms to me that the bing imagery has been updated to show the new building because we can see those two little rectangular entrance shelters.

I've also mapped a new nationwide branch and a "SandboxVR". There may be some other new street-level commercial units still to be mapped round. I didn't look all the way round the building.

But I've converted the landuse to a building. This is resolved