I'd help please. I think it's this
About size of 50p coin
No interactions present.
Highly likely to be N. janthe as opposed to N. janthina- Langmaid's Yellow Underwing. I think ther latter is more associated with the south coast counties and records are uncommon? I stand to be corrected (as ever).
Lat/Lng: 53.8, -1.7
OS grid ref: SE2034