This year I will be attending Eastercon in Manchester in March and Satellite 5 in Glasgow in May, and possibly Fantasycon by the Sea in Scarborough in September.
It's always good to go to some of the more interesting panels, but even better to catch up with friends :)
Feels a little strange to think that my first ever con was only in 2013, that being World Fantasy Con in Brighton. It was a big and bustling venue and as a newbie to cons I found it quite intimidating at first, but fortunately a goodly number of the GSFWC crew were down for it and I quickly met some other rather interesting writers. That first con is also notorious for the 'Ambush Opera' organised by Neil Williamson.