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

https://wiki-wire.win/index.php/Medical_Cannabis_for_Sleep_in_the_UK:_A_Pragmatic_Guide_to_Clinical_Care

Since 2018, medical cannabis has been legal in the UK via specialist prescription. Regulated clinics now offer a streamlined path, from virtual consultations to secure, tracked delivery, prioritising clinical standards for patients.