Type in the event or artist in the search box in the top right-hand side of the screen, from there you'll be able to see when tickets are due to go onsale. International customers, please be aware that all times listed on the site are UK time.
If you cannot find the event or artist, you're looking for, you can sign up for Ticket Alerts page by clicking here to see what's on offer and sign up for the info you'd like to receive.
For tips on how to improve your chances of making a booking please click here.