You were at your origin station and your journey had not yet begun therefore you were not travelling at the time.
Your journey clearly starts once you get to your origin station - you can commit an offence under RoRA or the Byelaws without even stepping foot on a train, for instance. Imagine you were at an airport, waiting at the gate for your flight. Could anyone seriously claim you hadn't started your journey yet? I don't think it's really a sustainable argument.
But I've just seen 8.4 in the advance ticket conditions which looks more directly applicable to your situation.
That's another angle, yes. Overall it makes clear that forcing the passenger to wait for their booked train to turn up, whenever that may be, is not acceptable.
If his booked train is at 1300 and delayed, is the 1240 the next train. No it isn’t.
The wording is actually "next available"; the inclusion of the word "available" makes clear that live running and the actual state of services must be considered, and not just the timetable.
If you are at the station in time to catch the 12:40, then yes, it is the "next available" service notwithstanding the fact that it may have been timetabled to leave earlier.
Imagine if the 12:40 were delayed to 13:02 and the 13:00 to 13:10 - no sane person would say the delayed 12:40 wasn't the "next available train".
If I am standing on a platform, "the next train to X" is the one which arrives at the platform before any other one does. That's "the man on the Clapham omnibus" definition.
That may not be what they intended by writing that, it's incredibly sloppy. But a Court will judge based on what they DID write, with any ambiguity assumed to be in favour of the consumer, not what they wanted to write.
If they meant to say, as I suspect they did, "If delays during your journey mean you miss a connection, you may take the next available train by the booked train operating company to continue your journey", then they should have written that.
Precisely. It's sloppy wording, as is endemic throughout important legal wording used by the industry - but TOCs can't try and hide behind that, much as they might try (I recently had TfW try and claim much the same to me; I wasn't in a hurry, so I was quite happy to follow their "advice" and avoidably incur them Delay Repay liability!).