There's one thing bothering me here.....
and I guessed he was a student as he came back a minute or so later with a standard CAP413 position call, with all the err's and umm's in it.
I hope that this student wasn't left with the impression that he was under a FIS, because he wasn't. Hence no action by D & D should anything go wrong.
It's the same for anyone blind calling a closed station, no distress cover. Personally, if I contact a closed station (whether or not I'm told it's closed by someone else on frequency) I'll report my position, and intentions, which include that I'm changing to a nearby working frequency (or even London Info) so I'm covered by an FIS. Maybe I'm a scaredy cat, but I'd like to be able to talk to someone immediately if something is going wrong!