UX events that could feasibly be covered by a UK training budget. Actually, some of these probably couldn't be. But they would probably be worth it.
These events are mostly in the UK. Apart from the expensive ones. I really just maintain this list for myself. In fact, make your own list.
Where UX Pros go to stay ahead
15th–17th May 2013
3 days of inspiration, education and skills development for User Experience Designers
10th–12th April 2013
A one day ‘unconference’ for anyone involved or interested in user experience design, interaction design, information architecture or usability.
8th December 2012
The UX event for the East of England software, mobile and web communities.
29th–30th November 2012