Do UK citizens require a passport to travel between the UK and Éire?

Ireland and Britain operate a common travel area. However, as a general rule it is a good idea to always bring a passport with you for any international travel. As an Irish or British citizen, to travel between Ireland and Britain you must have one of the following:

* A valid passport * A driver's licence with photo * An international student card * A national ID card * A bus pass with photo * A Garda (Irish police) ID with photo * A work ID with photo