According to the classified ads in one of Rowling’s Daily Prophets, somewhere in London is the head office of the Society for Tolerance of Vampires. The classified listing was searching for a witch or wizard to help run the candlelit office, with preference given to those with an allergy to garlic. Applicants had to quote blood-group (DP).
Bethnal Green Charing Cross Road Clapham Diagon Alley Downing Street Elephant and Castle Grimmauld Place Grimmauld Square King’s Cross Station London Underground
Ministry of Magic Headquarters Muggle library Museum of Quidditch newsagent’s Orphanage Paddington Station Post Office Tower Private hospital Pudding Lane Purge and Dowse Ltd.