Since 2018, UK law for medical weed changed. Though NHS care is rare, now...

https://www.cuindependent.com/inside-the-uks-medical-cannabis-boom-what-cannabis-products-means-for-people/

Since 2018, UK law for medical weed changed. Though NHS care is rare, now private clinics offer web chats. If a doc says it is fit for you, they can get a safe, regulated script sent to your flat