Wondering if the bee has a fungal infection.
The flower is Ivy-leaved Toadflax, on a wall
No interactions present.
The white stuff on the bee is probably pollen stuck to the hairs.
Yes I did wonder after seeing white material on the face of a honey bee I later put up (Bee on Ivy-leaved Toadflax)
Lat/Lng: 51.4337, -2.7624
OS grid ref: ST470707