Since 2018, specialist-prescribed medical cannabis has been legal in the UK....

https://www.last-bookmarks.win/since-the-2018-law-change-patients-in-the-uk-can-access-medical-cannabis

Since 2018, specialist-prescribed medical cannabis has been legal in the UK. Patients use digital onboarding and telehealth consults to access care. If eligible, an e-prescription is sent for secure, tracked home delivery of the medication.