Before revision: The first recorded shell grotto in England was at Whitehall Palace; James I had it built in the undercroft of the Banqueting House in 1624, but it hasn't survived.
After revision: The porch of Scott's Grotto today.The first recorded shell grotto in England was at Whitehall Palace; James I had it built in the undercroft of the Banqueting House in 1624, but it hasn't survived.