Inner London > The King's Head Theatre Current and forthcoming events and shows at Inner London's The King's Head Theatre with related venue, location, news and links. Society of London Theatre member. As part of the relaunch in 2008 the seating capacity has increased from 112 to 140. Home of London's Little Opera House in rep until 2015. You can also check out the iUKTDb The King's Head Theatre (Inner London) archive with 942 shows listed up to Wednesday, 29th March 2017.