Penylan was an area in Cardiff. It was an austere area of Edwardian terraces and big, detached houses.
In 2009, while walking past Jackson Leaves in the direction of Roath Park, Danny Wilkinson was pulled into the pavement and died as it solidified within him. (PROSE: The House That Jack Built [+]Guy Adams, BBC Torchwood novels (BBC Books, 2009).)