As you can see we are getting on the ball gathering the information in one handy place. I have just come across this

COMICA FESTIVAL 2011

 

From 3 to 25 November, Comica, the London International Comics Festival, rises again to showcase an exceptional panoply of British and international comics creatives and connoisseurs in exhibitions, panels, talks, a bigger and better one-day Comiket Fair, a free Conference, a Club Night, film screenings, and much more in venues across the city, including a special East London focus in association with Nobrow Press.

 

 

Will be added to out list on Conventions.

More info can be found here:

Comica Festival