Immediately after 304 Holloway Road appears on the screen, a black and white television is seen in a shop window, showing a program called "Harper's W1, The Story of a London Store." This is a reference to the world famous Harrod's Knightsbridge, which is actually located in London SW1.
The band is properly summonsed to magistrates' court for a traffic infraction, but they are then shown appearing before a judge in full robes. Magistrates are not Judges, and do not wear robes. Judges do not preside in UK magistrates' courts.
John Peel is shown interviewing Joe Meek for the New Musical Express in 1963. Peel was never a regular journalist for the NME, and was working as a DJ in the southern USA in 1963. Additionally, he only adopted the name Peel when he joined Radio London in 1966.