Event intelligence
London events that can change your trip in 2026
A month-by-month view of events that can affect hotels, crowds, transport and booking timing.
Confirmed, travel-relevant events tracked for London this year.
Chelsea Flower Show reaches 84/100 pressure.
Use event signals before locking dates, areas or non-refundable hotel windows.
Event signals by month
Events to check before you book.
Only the dates likely to change hotel demand, movement, crowds or booking timing.
April
April has 1 event to keep on your radar before choosing dates or a base.
26AprPast eventLondon Marathon
One of the world's major marathons with 40,000+ runners through iconic landmarks. Road closures affect transport. Spectating is free and the atmosphere is fantastic.
GreenwichBlackheathTower BridgeCanary Wharf
London Marathon
One of the world's major marathons with 40,000+ runners through iconic landmarks. Road closures affect transport. Spectating is free and the atmosphere is fantastic.
Medium-impact event. Hotel pressure is possible. Crowd pressure is possible. The surrounding month has moderate crowd pressure. The surrounding month.
Trip pressure
Check before booking