bird swimming and fishing off rocks
No interactions present.
I see no reason not to call this a Cormorant - with the white face suggested that it is an adult, or near adult.
Among other things, the bill is too thick for a shag (particularly at the base), there is some variability among all species, this may have just been a partcularly small individual.
Lat/Lng: 50.459587282317, -3.5007119178772
OS grid ref: SX935632