[paz]

Gamma Con - 28 Jan - Lichfield
Concrete Cow 12 - 10 Mar - Milton Keynes
Con-Quest - 14 Apr - Derby (A good time was had by all in 2011, and well within striking distance)
UK Games Expo - 25-27 May - Birmingham (Not much known about this yet)
PaizoCon UK - 13-15 Jul - Birmingham (Exclusively Pathfinder, but I enjoyed it!)
Continuum - 20-23 Jul - Leicester

The ones in bold I'm very likely to attend.