Since the law changed in 2018, medical cannabis has been legal in the UK, but...

https://wiki-coast.win/index.php/How_Chronic_Pain_Quietly_Dismantles_Your_Daily_Life

Since the law changed in 2018, medical cannabis has been legal in the UK, but access via the NHS remains exceptionally limited. This gap has led to the rise of private, digital-first clinics, which now facilitate the majority of prescriptions