The minimum age of driving in Ireland (obviously with a full UK license) is 17 for cars. Speed limits are strictly enforced in Ireland, so be sure to watch out for signs along the road. The speed limit will be in kilometers. Seat belts are mandatory for the front as well as the rear passengers. In Ireland it is illegal to talk on your mobile phone while driving and a fine will be issued by an official. Cars are in Ireland are right-hand drive which means you will be driving on the left side of the road.