What new measures will I see on my visit to the London Dungeon? We have implemented an extensive range of safety measures across the attractions. For more details, please see our Know Before You Go page here Related articles Do I need to wear a face covering/ facemask? What do I do if one of my family is ill at the last minute? What if I'm running late for my time slot? When will you re-open? Will your toilets be open and how will you ensure they are safe?