Why see it?
The vaulted undercroft of the Banqueting House was designed as a drinking den for James I and his friends. At one end there was a ‘grotto’ decorated with shells which has now disappeared.
After James I’s death, the undercroft began to be used for holding lotteries. John Evelyn describes one gambling session in 1664, at which ‘the King, Queen-Consort and Queen Mother’ won only ‘a trifle’ – as he did himself!