It's a useful feature for both parties, helping drivers minimise the time spent on each trip and giving riders more transparency on their fares. The function is already in use in some major cities worldwide, but will roll out more widely in the coming week. Londoners still have the chance to make the most of it, but for how long remains to be seen.

Correction: This article has been updated to reflect the fact that Uber continues to operate in London while in talks with TfL.