Visitors for Elizabeth Tower tours should enter by the main entrance to Portcullis House on the Victoria Embankment, facing the river.
Map of Westminster and the Houses of Parliament (PDF PDF 537 KB)Opens in a new window
Visitors should allow at least 15 minutes to pass through security, and will be subject to an airport style search.
Visitors on Elizabeth Tower tours may not leave the tour once it has started (for security reasons) unless escorted by a member of staff.