London
City · Europe
London follows UK national drug law. Recreational cannabis is illegal, medical cannabis requires a specialist prescription, and most prescription medicines are permitted for personal use. Police may issue warnings or penalties for minor cannabis possession.
Traveler warnings
Recreational cannabis is illegal. High-THC CBD products are not permitted. Carry documents for any controlled medicine.
Legal status by substance category
11 categories documented for London.
Benzodiazepines / Anxiolytics
Benzodiazepines / Anxiolytics
Limit: Personal medical supply only (typically up to a 30–90 day course); larger amounts may require an import permit.
Allowed in London with a valid prescription. Carry documentation, keep medicines in original labelled packaging, and declare controlled medicines at customs.
Penalty: Carrying without a valid prescription or documentation can lead to confiscation, fines, or detention.
CBD Products
CBD Products
Limit: Personal use
CBD products are legal if they contain no controlled cannabinoids and meet THC trace limits.
Penalty: CBD with more than trace THC is treated as controlled cannabis.
Cannabis / Marijuana
Cannabis / Marijuana
Limit: None for recreational use
Recreational cannabis is illegal across London and the UK (Class B). Medical cannabis requires a specialist prescription.
Penalty: Possession can lead to a warning, fine or up to 5 years imprisonment.
General Prescription Medications
General Prescription Medications
Limit: Personal medical supply only (typically up to a 30–90 day course); larger amounts may require an import permit.
Allowed in London with a valid prescription. Carry documentation, keep medicines in original labelled packaging, and declare controlled medicines at customs.
Penalty: Carrying without a valid prescription or documentation can lead to confiscation, fines, or detention.
Kratom
Kratom
Limit: Verify permitted quantity with official authorities before travel.
Legal status in London is not clearly documented in official sources. Verify with official authorities before travel.
Penalty: Penalties are not clearly documented; assume strict enforcement and verify before travel.
Opioids / Pain Medications
Opioids / Pain Medications
Limit: Personal medical supply only (typically up to a 30–90 day course); larger amounts may require an import permit.
Allowed in London with a valid prescription. Carry documentation, keep medicines in original labelled packaging, and declare controlled medicines at customs.
Penalty: Carrying without a valid prescription or documentation can lead to confiscation, fines, or detention.
Psilocybin / Magic Mushrooms
Psilocybin / Magic Mushrooms
Limit: Not permitted.
Illegal in London. Do not carry — possession can lead to arrest and prosecution.
Penalty: Possession can lead to arrest, fines, and imprisonment.
Psychiatric Medications
Psychiatric Medications
Limit: Personal medical supply only (typically up to a 30–90 day course); larger amounts may require an import permit.
Allowed in London with a valid prescription. Carry documentation, keep medicines in original labelled packaging, and declare controlled medicines at customs.
Penalty: Carrying without a valid prescription or documentation can lead to confiscation, fines, or detention.
Stimulants (ADHD Medications)
Stimulants (ADHD Medications)
Limit: Personal medical supply only (typically up to a 30–90 day course); larger amounts may require an import permit.
Allowed in London with a valid prescription. Carry documentation, keep medicines in original labelled packaging, and declare controlled medicines at customs.
Penalty: Carrying without a valid prescription or documentation can lead to confiscation, fines, or detention.
THC Vapes / Concentrates
THC Vapes / Concentrates
Limit: None
THC vapes and concentrates are controlled Class B cannabis products and illegal.
Penalty: Same penalties as cannabis possession and supply.
Testosterone / Hormone Therapy
Testosterone / Hormone Therapy
Limit: Personal medical supply only (typically up to a 30–90 day course); larger amounts may require an import permit.
Allowed in London with a valid prescription. Carry documentation, keep medicines in original labelled packaging, and declare controlled medicines at customs.
Penalty: Carrying without a valid prescription or documentation can lead to confiscation, fines, or detention.
Prescription policy
Bring prescription medicines in original packaging with proof of prescription. Controlled medicines for long stays may need a Home Office personal licence.
Controlled substances
Cannabis is a Class B drug. Opioids, benzodiazepines and stimulants are controlled and require a prescription under the Misuse of Drugs Act.
Customs & border guidance
Declare controlled medicines at the border if required and carry a prescriber's letter.
Penalties
Cannabis possession can lead to a warning, fine or up to 5 years imprisonment; supply of Class A drugs can carry life imprisonment.
Documentation required
Prescription or prescriber's letter with quantities and dosages; original packaging.
For informational purposes only. This profile is not legal or medical advice. Laws change frequently; always verify with the official government, embassy, customs, or health authority before you travel.