Thanks for the comments! Sorry that some of your looking coincided with some downtime due to the main traintimes.org.uk triggering National Rail's rate limiting (neither of us have yet worked out why, there hasn't been any change in traffic that I can see). It's hopefully working again now.
91103eastcoast, Jeni, bicbasher: Sorry, I think this is because the recent list on the front page was confusing (plus issues rebounding from the above downtime to the main site). It was not only showing results from form submissions, but also results when people the clicked the "Show me the cheapest possible, even from invalid routing" - so if you had clicked straight through to one of those, you might have wondered why it was giving you those invalid results. It does do that so that you could potentially alter your journey to be able to get that cheaper ticket, but I've changed the front page to only show 'normal' results to hopefully make that clearer.
trentside: No, I decided to concentrate on the outward journey, as many of my own journeys are peak morning journeys but then returning off peak. And I can always dig into it a bit more if it's to London or similar. I do see that optionally providing a return time would allow better results, of course and perhaps I can look at that in future.
higthomas: Thank you
Indigo2: Yeah, I might have given up by that point! I hope I've given enough disclaimers, and at least made it possible to exclude restrictions/routes so you can check other options. It's good enough for the journeys I am making anyway
