Since medical cannabis was rescheduled in 2018, NHS prescribing is legally...

https://wiki-zine.win/index.php/What_Does_%E2%80%98Optimised_Conventional_Treatment%E2%80%99_Mean_for_Nabilone_Eligibility%3F

Since medical cannabis was rescheduled in 2018, NHS prescribing is legally possible but remains rare