Since 2018, UK cannabis laws changed through the Misuse of Drugs Regulations...

https://dlf-ne.org/is-cannabis-legal-in-the-uk-or-not-in-2026-clearing-up-the-confusion/

Since 2018, UK cannabis laws changed through the Misuse of Drugs Regulations 2001—not the 1971 Act. This update allows specialist doctors to prescribe cannabis-based medicines like Sativex and Epidyolex under Schedule 2 controls