The UK’s new Vaping Products Duty takes effect on Thursday 1 October 2026, bringing all vaping liquids made in or imported into the country into the excise net from today. HM Revenue & Customs says the charge is meant to make vaping less affordable and less appealing, particularly for young people and non-smokers, while the Department of Health and Social Care continues to describe vaping as less harmful than smoking for adults trying to quit. (gov.uk) For the trade, the basic rule is clear even if the commercial effect will vary by brand and channel. The duty is set at £2.20 per 10ml and applies whether the liquid contains nicotine or not, with liability falling on HMRC-approved manufacturers, importers and warehousekeepers. (gov.uk)

That sounds technical, but the pricing arithmetic is simple. A 10ml bottle now carries £2.20 of duty, a 30ml bottle £6.60, a 60ml bottle £13.20 and a 2ml pod 44p before any retail margin is added, while VAT still applies to vaping products. HMRC is explicit that passing the cost on is a commercial decision, which means the next few months will show how much suppliers absorb and how much ends up at the till. (gov.uk) HMRC says Office for Budget Responsibility forecasts point to annual receipts of more than £550 million by 2030-31, and the OBR’s March 2026 forecast puts the figure at about £0.6 billion by that point. That suggests the measure is large enough to affect pricing and product mix across the legal market, rather than sitting as a marginal compliance cost. (gov.uk)

Retailers now face the operational side of the change. HMRC has launched the Vaping Duty Stamps Scheme, and stamps will start appearing on retail packaging from 1 October 2026 to show a product is intended for the UK market. Transitional non-digital stamps may be affixed only until 31 December 2026, digital-only stamps become mandatory for newly made or imported products from 1 January 2027, and by 1 April 2027 all vaping products sold in the UK outside duty suspension must carry a valid stamp. (gov.uk) There is some breathing space. Wholesalers and retailers may keep selling eligible unstamped stock made or imported before 1 October 2026 until 31 March 2027, but HMRC’s own guidance says new stock bought from 1 October 2026 should carry a stamp where one is required and that businesses should keep records showing why any unstamped items are still lawful during the grace period. (gov.uk)

For legitimate high-street traders, that stamp regime may matter as much as the tax rate itself. HMRC says the stamps are meant to help businesses, consumers and enforcement bodies identify lawful product and support action against illicit trade. If that works in practice, compliant retailers should face less unfair price competition; if it does not, the risk is extra admin with limited commercial reward. (gov.uk) The sanctions are not light. HMRC says retailers should not buy or sell stock they cannot satisfy themselves is legitimate, and from 1 April 2027 unstamped products may be seized, penalised and, in the most serious cases, investigated criminally. The wider crackdown is backed by £30 million a year of government funding through 2028-29 for Trading Standards, Border Force and HMRC to tackle illicit and underage sales. (gov.uk)

The tax has been designed with a second aim in mind: keeping the price gap between smoking and vaping intact. Alongside the new vape duty, tobacco duty rose on 1 October 2026 in line with the existing escalator and with an added one-off £2.20 per 100 cigarettes or 50g of tobacco, a move first set out in the Autumn Budget 2024 papers to preserve the financial case for switching away from smoking. (gov.uk) That fits the government’s careful line on vaping. The Department of Health and Social Care says vaping is less harmful than smoking and can help adult smokers quit, but children and non-smokers should never vape. A live consultation on GOV.UK, closing on 2 October 2026, is also considering plainer packaging, tighter flavour descriptors and removing vapes from display in shops, which points to a tougher retail framework rather than a one-off tax change. (gov.uk)

There are smaller rule changes around the edges, though they matter for travellers and small importers. People arriving in Great Britain can bring in up to 50ml of vaping liquid for personal use without paying duty and tax, while Northern Ireland continues to operate through its own allowance framework depending on where the traveller is arriving from. Personal allowances cannot be combined, and commercial imports still need to be declared. (gov.uk) For business owners, the practical task is less about debating the policy and more about tightening controls. Manufacturers and importers need approvals, reporting and payment processes in place; wholesalers and retailers need to check suppliers, watch the dating of unstamped stock and plan to clear, return or otherwise deal lawfully with anything non-compliant before 1 April 2027. For a sector that will also see age-of-sale rules extended across all vaping and nicotine products from 29 October 2026, the new duty turns compliance from a back-office issue into a front-of-shop commercial risk. (gov.uk)