Before you arrive You'll need to get a number of things done before you arrive at UCL, from completing pre-enrolment online to getting your vaccinations. These checklists talk you through all the essential, recommended and extra steps. Essential activities Get all the vital steps out of the way with our checklist of essential actions. Recommended activities Look through the suggested pre-arrival tasks in our list of recommended actions. Extra activities See what else you might want to do in our checklist of extra actions.