Not sure my photo is good enough to id the species, but it seems to be Sarginae of one sort or another, possibly one of the Sargus?
No interactions present.
Lat/Lng: 53.7904, -1.7692
OS grid ref: SE153327
A deliberately unkempt spot at the edge of campus, partly occupied by a permaculture allotment, but in a predominantly urban area.