Annoyingly i didn't make a note of the size, now coming back to it a few months later! I think we caught it in a moth trap
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Cheers Matt agreed it is more this than D.socialis, I'll do a shout out on Twitter too
This and drapetisca socialis *are* similar, the big boxing glove palps of labulla are relatively larger though, and there is a set of white spots in front of the spinners (for either sex) if you look at the underside.
Lat/Lng: 51.1474, -0.1481
OS grid ref: TQ296403