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UK Extends Sugar Tax to Milkshakes and Ready-to-Drink Lattes, Lowers Threshold to 4.5g

Changes take effect on 1 January 2028 after a technical consultation, with Treasury receipts estimated at about £40m to £45m a year.

Overview

  • Wes Streeting told MPs the Soft Drinks Industry Levy will now cover pre-packaged milk-based drinks, including flavoured milk, sweetened yoghurt drinks, chocolate milk and ready-to-drink coffees.
  • Open-cup beverages made in cafes, restaurants and bars remain excluded, while plain milk and unsweetened plant-based drinks are not in scope.
  • The lower sugar threshold is intended to bring more products into the levy and drive reformulation by manufacturers.
  • Ministers signalled a lactose allowance to reflect naturally occurring milk sugars and the removal of exemptions for milk substitutes that contain added sugars.
  • Officials frame the move as a public-health measure following a reported 46% reduction in sugar in affected soft drinks since 2018, though some outlets report higher revenue projections than the government’s £40m–£45m estimate.