An Ichneumon about 18mm body length attracted to the house lights. The abdomen tip is dark and the forewing has the small circular cell which I think shows it's Netelia not Ophion.
No interactions present.
Lat/Lng: 51.072, -0.69
OS grid ref: SU918311
Outside the window of my house, in mixed broadleaved woodland, altitude 238m, oak, birch, chestnut and willow nearby.