Nowadays a huge proportion of the populace are the offspring of parents from places other than the UK.
Their roots and folk music are not from the traditionally known UK scene.

There is a thriving World music scene which reflects this. It represents many races and it's vibrancy extols it's popularity.
It is an all encompassing "folk" music.
The clubs offering this sort of music have no problem filling their floors.It offers a wide ranging audience something to identify with.

IMHO this is the future of "folk" music.