very uneven pronotum. only 7-8mm head to tail
No interactions present.
I don't think it is Pyrochroa coccinea as the pronotum is black whereas it is clearly red in the cardinal beetle. Also the elyrta are strongly ridged and much more parallel sided than the cardinal. Also too small.
Lat/Lng: 50.8959, 0.6685
OS grid ref: TQ877141