It takes between two to four years to learn and pass the 'All London' Knowledge and this takes a considerable amount of commitment and dedication. Once you are licensed you can work anywhere in the Greater London area and the bene?ts of this are huge.

Becoming a licensed driver of a London "Black Cab" requires mastering "The Knowledge," which is widely considered the world's most difficult taxi test. In 2026, the average student takes three to four years of full-time study to complete the process. This involves memorizing every street, landmark, and route within a six-mile radius of Charing Cross—roughly 25,000 streets and thousands of points of interest. A supportive peer "grit" factor: the training is done mostly on a moped, with students (called "Knowledge Boys and Girls") zigzagging through London in all weather conditions to commit the "runs" to memory. Despite the rise of GPS and ride-sharing apps, the 2026 standards remain as high as ever, as the "All London" green badge is a mark of extreme professional prestige. The final stage involves a series of one-on-one "appearances" (oral exams) with examiners where the student must describe the shortest route between two obscure points from memory, including every turn and junction.