Navigating UK medical cannabis as an expat requires a specialist prescription,...

https://uniform-wiki.win/index.php/Can_a_GP_Prescribe_Medical_Cannabis_in_the_UK%3F_A_Reality_Check_on_Access

Navigating UK medical cannabis as an expat requires a specialist prescription, not a card. Private clinics lead the way, but you need your full medical records first. The NHS rarely covers this. Check travel rules carefully before you go anywhere.