The 1000-seat auditorium is exactly like a normal indoor theatre even with comfortable padded seats. Every ticket-holder has an allocated seat that will be on either side of the track.
Inside Waterloo Station:
Please use the staircase located in the hoarding next to Platform 19 on the main station concourse.
Outside Waterloo Station:
Please use the archway located to the right of the main stairway entrance (Victory Arch) to Waterloo Station.