Since 2018, specialists can legally prescribe cannabis medicines in the UK....

https://wiki-site.win/index.php/Is_Medical_Cannabis_in_the_UK_Mostly_About_Chronic_Conditions%3F

Since 2018, specialists can legally prescribe cannabis medicines in the UK. Patients access this via regulated clinics using digital onboarding and telehealth. Once an e-prescription is issued, medication arrives via tracked home delivery.