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

https://www.yankee-bookmarkings.win/since-2018-medical-cannabis-has-been-legal-in-the-uk-access-requires-a

Since 2018, medical cannabis is legal in the UK via specialist private clinics. Eligibility requires specific conditions and failed prior treatments. If you are a competitive athlete, remember WADA strictly prohibits THC in-competition