Approx. 30mm long
No interactions present.
This is a sawfly, not a wasp. One of its misleading common names is 'woodwasp', but Horntail is better on all counts.
Sawflies never have a 'wasp-waist', while wasps (as you might guess!) always do.
recording wildlife with The Recorder's Year on www.hbrg.org.uk/TRY.html.
Lat/Lng: 54.636953, -2.071838
OS grid ref: NY954268
Flew in the kitchen window