Since 2018, medical cannabis has been legal via UK private specialist clinics....

https://sticky-wiki.win/index.php/Is_Releaf_a_Place_to_Learn_About_a_UK_Medical_Cannabis_Card%3F_A_Coach%E2%80%99s_Perspective

Since 2018, medical cannabis has been legal via UK private specialist clinics. Eligibility depends on your specific condition and whether you have already tried conventional treatments