The Banqueting House is one of the first restaurant chains to offer a shark fin-free menu.

BBC: Hong Kong shark fin trade declines

But the parent company of the Banqueting House, LH Group, says that the elderly Chinese still prefer to have shark's fin as part of the food offering on special occasions.

BBC: Hong Kong shark fin trade declines

The first part - Banqueting House - was built in 1622 and still stands on Whitehall.

BBC: The landmark buildings that never were