Since 2018, medical cannabis is legal in the UK via specialist prescription....

https://wiki-coast.win/index.php/Can_You_Get_Medical_Cannabis_for_Chronic_Pain_in_the_UK%3F_A_Guide_to_the_Current_Landscape

Since 2018, medical cannabis is legal in the UK via specialist prescription. Patients often ask about eligibility, consult processes, and costs. While NHS access remains very limited, private clinics are the primary route. We explore the landscape.