Sunday to Thursday: 6:00pm, 7:30pm, 9:00pm
Friday: 6:00pm, 7:30pm, 9:00pm
Saturday: 6:00pm, 7:30pm, 7:45pm, 9:00pm, 9:15pm
Departure point:Northumberland Avenue, just off of Trafalgar Square. The Bus stop is outside the Grand Hotel, nearest tubes are Charing Cross and Embankment.
Passengers should aim to arrive 15 minutes prior to their tour time to ensure a prompt departure.
24, 25, 26, 27 & 31 December: Closed
1 January: Closed