Since the 2018 change, medical cannabis has been legal in the UK via specialist...

https://shed-wiki.win/index.php/Decoding_%27Specialist_Supervision%27:_A_Comprehensive_Guide_to_Medical_Cannabis_Access_in_the_UK

Since the 2018 change, medical cannabis has been legal in the UK via specialist prescription. Many patients are curious about eligibility, consultation steps, and costs. While NHS access is limited, private clinics offer an alternative path.