Since November 2018, medical cannabis has been legal in the UK via specialist...

https://www.start-bookmarks.win/since-2018-medical-cannabis-has-been-legal-in-the-uk-via-specialist

Since November 2018, medical cannabis has been legal in the UK via specialist prescription. It’s typically reserved for cases where other treatments haven’t worked. While NHS access remains very restricted, most patients pursue private routes instead.