Opened in 1951 the Royal Festival Hall is the main performance venue in the Southbank Centre.
The building is Grade I listed, you can go in and look around without purchasing a ticket, but the shows there are to be paid for.
UG: Waterloo 0.31km
UG: Embankment 0.4km
OG: London Waterloo 0.41km
Always check details regarding opening hours, accessibility and pricing before travelling.