Changing of the Guard vs St. Paul's Cathedral: which should you do first?

If you only have time for one, do Changing of the Guard first. Its top ten experiences average an Outty Ranking of 93 against 92 for St. Paul's Cathedral, and it has 693 ranked ways to see it versus 547. St. Paul's Cathedral is the cheaper entry at £6, so it is the better pick on a tight budget. With a full day in London, pair them: plan St. Paul's Cathedral in the morning, as it is the shorter visit on average.

Ranked experiences at Changing of the Guard start from £14 and at St. Paul's Cathedral from £6 per person. Changing of the Guard can also be visited for free; paid options add guides, skip-the-line access or transport.

Experiences at Changing of the Guard run 3.5 hours on average and at St. Paul's Cathedral 3.2 hours, so both fit in one day in London with a break in between.

Yes. Book the longer visit for the morning when crowds are lighter, and keep the afternoon for the other. 100% of Changing of the Guard options and 100% of St. Paul's Cathedral options offer free cancellation, which makes it easy to adjust.

For Changing of the Guard: London 30 Top Sights with Fun Local Guide (Outty Ranking 95, from £35). For St. Paul's Cathedral: London Small Group Tour of Historical Pubs (Outty Ranking 97, from £35).