Why are so many classic British brands going downmarket?

Huntsman, at No. 11 Savile Row, was once an understated beacon of good taste. But if you visit today, you are likely to be met by a gaggle of tourists posing for selfies in front of the window across which is splashed in very large letters: ‘The King’s Man, only in cinemas now.’ The tailor, which dressed the Duke of Windsor in his bachelor days, provides both the inspiration and location for this fun, if silly, spy movie franchise, the latest of which stars Ralph Fiennes. Unfortunately, cinematic fame has led to the brand losing its bearings. Pop inside and you are confronted by a selection of what can only