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New curbs on unhealthy food promotions to tackle Wales' rising obesity levels

Cyfyngiadau newydd ar hyrwyddo bwyd afiach i fynd i’r afael â’r lefelau gordewdra sy’n codi yng Nghymru

Regulations to restrict the promotion and placement of foods high in fat, salt and sugar will be laid in the Senedd today, marking a crucial step in Wales’ fight against rising obesity levels.

The Food (Promotion and Presentation) (Wales) Regulations 2025 aim to reshape how shops promote less healthy foods, targeting what experts identify as one of the key drivers in the obesity challenge.

The regulations will:

  • Restrict promotions that can encourage over-consumption, such as multi-buy offers and free refills of sugary drinks
  • Restrict the presentation of foods high in fat, sugar and salt products at prime selling locations in stores, such as entrances and checkouts and on website homepages.
  • Apply to medium and large businesses with 50 or more employees

The restrictions largely mirror rules already introduced in England. There will be a 12-month implementation period before they are introduced in March next year, if they are approved by the Senedd in a vote next month.

The restrictions on where unhealthy foods can be displayed and promoted are designed to prevent impulse purchases and over-consumption.

Research shows up to 83% of purchases made on promotion are impulse buys. And almost half (43%) of food and drink products in prominent store locations promote sugary foods and drinks.

Health Secretary Jeremy Miles said: “These regulations are a step forward in our long-term strategy to tackle Wales’ growing obesity problem.

“We want to make the healthier choice the easier choice by improving the food environment. We can do this by ensuring healthier food and drinks are more available, accessible and visible to people in shops and stores.

“Sixty percent of adults in Wales are now overweight or obese, and nearly a quarter of children by the time they start school – we need to take action to help people make positive changes to their diets and lifestyles.

“The retail environment in shops play a role in shaping the food and drink we buy. Promotion and marketing strategies used by the sector contribute to poor health outcomes across Welsh communities.”

Dr Julie Bishop, Director of Health Improvement at Public Health Wales, said: “Public Health Wales is very supportive of these proposals.

“Our diet is rapidly becoming the leading cause of preventable poor health in Wales which is affecting individuals and creating demand in our NHS. There is significant research evidence to show that how food is presented and positioned in shops has an impact on the choices that we make. 

“This legislation is about giving the customer more choice, it will help level the playing field between the consumer and the retailer. 

“We know that people want to make healthier choices and this is one step to helping them to do that but there is much more work to do.”

The Welsh Government will publish comprehensive guidance to support businesses and local authorities in implementing these changes, which largely mirror similar measures already introduced in England.

Notes to editors

The proposals formed part of Welsh Government’s 2022 Healthy Food Environment consultation which were met with overall support from respondents – 49% of respondents were supportive of promotional restrictions; 66% supported placement restrictions and 60% supported restrictions on free refills. Respondents in favour said the proposals would make it easier for consumers to make healthier choices.

Around 60% of adults in Wales are now overweight or obese, with a quarter of those classified as obese[1]. Childhood obesity rates in the UK are among the highest in Western Europe with nearly a quarter of children living with obesity or overweight by the time they start school in Wales[2].

Forty per cent of food and drink bought in UK stores is on promotion, the highest in Europe[3], and research suggests that these promotion strategies are most prevalent among products high in fat, sugar or salt for example, biscuits (33.9%) and confectionary (36.1%)[4]. These products encourage people to buy more than they intended to purchase in the first place. Research also shows that up to 83% of purchases made on price promotion are impulse purchases, with only 17% planned[5]. While people may purchase promoted items on the assumption that the additional quantity bought will be offset by reduced purchases later (having long-term cost savings), this does not consider the subconscious decision to consume more when more is available. This can lead to increases in consumption frequency and the quantity eaten which could lead to excess calorie consumption[6].

[1] Overweight and Obesity - Public Health Wales

[2] CMP 2022-23 - Public Health Wales (nhs.wales)

[3] Sugar reduction: from evidence into action - GOV.UK (www.gov.uk)

[4] Kantar Worldpanel Take Home Purchasing | 52we data to 29 Dec 19

[5] Martin, L, Bauld, L & Angus, K (2017) Rapid Evidence Review: The Impact of Promotions on High fat, Sugar and Salt (HFSS) Food and Drink on Consumer Purchasing and Consumption Behaviour and the Effectiveness of Retail Environment Interventions. Edinburgh: NHS Scotland.

[6] Chandon P, Wansink B. (2002) When are stockpiled products consumed faster? A convenience-salience framework of post-purchase consumption incidence and quantity. J. Mark. Res. 39:321–35