Evaluation of the health impacts of the UK Treasury Soft Drinks Industry Levy (SDIL)

Project: Central government, health and local authorities

Project Details


High sugar intake is associated with higher rates of obesity, tooth decay, and type 2 diabetes. In 2015, Public Health England said a tax on sugary drinks would be a way to help us all consume less sugar. Such a tax will start in April 2018. The tax will be higher for drinks with more sugar and will not apply to pure fruit juices. The two year delay is so that companies can reduce the amount of sugar in their drinks and avoid the tax. As no other country has tried this sort of tax, the effects are unknown. Different stakeholders in government, public health, drinks companies and health advocacy groups think the tax will have all sorts of effects, and not just on health. This study will look at the most important of these, tracking how things change over time. Studying a wide range of effects of the tax will help to be more certain that the results are true. For example, if purchases of sugary drinks, tooth decay and childhood obesity all go down, and purchases of other drinks go up, this will increase our confidence that the tax has had a positive impact on health. The aim of this study is to evaluate the effects of this new tax on health as well as other factors. Rutter, H., CoI, Department of Social & Policy Sciences

Layman's description

Evaluation of the UK government sugar sweetened drinks levy
AcronymSDIL Evaluation
Effective start/end date1/09/1830/09/22

Collaborative partners

  • University of Bath
  • University of Cambridge (lead)
  • University of Oxford
  • London School of Hygiene & Tropical Medicine


  • National Institute for Health Research


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