approx 15-18mm long
No interactions present.
Possibly Limnephilus lunatus - suggested by cresent shaped pale mark on the outer margin of the wing but I am not sure of that.
Yes, definitely lunatus with that dark bordered crescent mark on the wingtip.
thanks Jonathan , regards keith.
Lat/Lng: 52.9704, -3.168
OS grid ref: SJ216420