A nest of these bumblebees is located behind fascia boards on our office building
No interactions present.
Could be B. hortorum, but can't confirm it from that angle I'm afraid! Might be one of the B. lucorum group as an alternative? Can you get any more photos?
Entomologist and biological recorder
It is not hortorum.
Lat/Lng: 53.3647, -1.8124
OS grid ref: SK125853