Allison then sent all the images to the Leaky Cauldron website along with a report on her experiences.
In the book, Magnolia Crescent is where Harry first sees the Grim after running away from the Dursleys. It's also where the Knight Bus appears.
Although Allison talks about security being strict on set, they were obviously friendly too.
A television had been set up for onlookers and a nearby policeman seemed very informed, sharing gossip about the production.