I didn't quite know where to post this, but here it goes.

On the FFXIV Fanfest site you can read:

London SATURDAY 25TH OCTOBER
But uh, in case you didn't know SE, London's biggest 2 times a year nerdy event: MCM Comic Con, is on that same weekend!!

24-26 October
I can only see this as very poor planning, much of the public that would come to such a fanfest will most likely go to Comic Con instead, as saturday is the biggest event day on MCM Comic Con. Not to mention hotels being quite booked full and stuff...

If it's not too late for you SE: change the date!