Navigating the electronic cigarette landscape in London requires understanding the local regulations and market specifics.
Legal Framework & Purchasing
Sales of e-cigarettes and e-liquids are strictly regulated in London, governed by UK-wide laws:

- Age Restriction: It is illegal to sell e-cigarettes or e-liquids to anyone under 18 years of age. Retailers must operate a Challenge 25 policy.
- Retail Channels: Available from dedicated vape shops, supermarkets, convenience stores, and petrol stations. Specialist vape shops offer the widest product range and expertise.
- Nicotine Strength Limits: E-liquids containing nicotine are capped at a strength of 20 mg/mL (2%).
- Tank Size Limit: Refillable tanks are limited to a maximum capacity of 2ml.
- Packaging & Labelling: Mandatory warnings, ingredient lists, and child-resistant tamper-proof packaging are required.
Use Restrictions
While generally more permitted than smoking, vaping is restricted in certain places:
- Public Transport: Banned on all London Underground, Overground, buses, trams, TfL Rail services, and within stations (including platforms).
- Indoor Workplaces & Enclosed Public Spaces: Typically banned, subject to the venue’s policy. Many restaurants, pubs, shops, and offices prohibit indoor vaping.
- Premises Policies Always Apply: Always adhere to specific rules set by individual businesses or buildings.
Health Information & NHS Stance
Public Health England (now OHID) historically stated vaping is at least 95% less harmful than smoking. The NHS supports vaping primarily as a tool to quit smoking combustible tobacco. While significantly less harmful, vaping is not risk-free, particularly for non-smokers and young people. Long-term effects are still under research.
Travel Considerations
- Bringing Devices/Liquids: Adhere to airline and airport security regulations regarding batteries (usually carry-on only) and liquid volumes (100ml containers in a clear, resealable 1-litre bag for cabin luggage).
- Disposal: Use designated bins for batteries; do not discard in regular waste due to fire risk. E-liquid bottles can be emptied (safely) and recycled where possible.
- Discreet Usage: Be mindful of others and local restrictions. Avoid vaping in crowded areas where it may cause nuisance.
Key Takeaways for London
Purchase is legal from licensed retailers for those 18+. Strictly follow age verification protocols. Be aware of and respect widespread restrictions on use, particularly on all forms of public transport and indoors where policies prohibit it. Current public health guidance positions vaping as a significantly less harmful alternative for adult smokers seeking to quit, not a risk-free habit for non-smokers.