The impact of advertising on children has focused on ads for vapes, HFSS foods and use of sexualised imagery. This briefing provides an overview of the issues.
Advertising to children (449 KB , PDF)
Advertisements are a feature of modern life. In the UK, the Advertising Standards Authority (ASA) regulates the content of advertising, sales promotions and direct marketing across all media, including marketing on websites. It does this by enforcing the advertising codes. There are separate codes for non-broadcast and broadcast advertisements. All adverts are expected to be “legal, decent, honest and truthful”.
The advertising codes contain strict rules to protect children (and young people) from potentially misleading, harmful, or offensive material. This is because children are less likely to be able to understand and process commercial messages in advertisements than adults. Children are also more likely to be adversely affected by “inappropriate, scary or offensive images”. There are, for example, advertising rules to:
The advertising rules are regularly reviewed and updated by the ASA.
The ASA is independent of both the government and the advertising industry. Its remit includes acting on and investigating complaints about advertisements as well as proactively monitoring and acting against “misleading, harmful or offensive” advertisements, sales promotions, and direct marketing. If a complaint about an advertisement is upheld, the advertiser must withdraw or amend the advertisement and not use the advertising approach again. If the advertiser does not comply, the ASA has other sanctions at its disposal. All ASA adjudications are published.
There has been an ongoing debate about the effect of advertising on children. In recent years, the focus has shifted to the impact of adverts for foods high in fat, salt or sugar (HFSS) on levels of childhood obesity. Various campaign groups and health bodies are calling for tighter restrictions, particularly in respect of television and online advertising.
The previous Conservative government consulted in March 2019 and in the autumn of 2020 on proposals to extend restrictions on the advertising of HFSS products. The aim being to reduce the amount of HFSS advertising children are exposed to. The government published its response to both consultations on 24 June 2021. It announced that new advertising restrictions would be implemented as part of its ongoing commitment to tackle childhood obesity:
Both restrictions are legislated for in the Health and Care Act 2022, which received Royal Assent on 28 April 2022 and inserted new sections into the Communications Act 2003.
To implement the new advertising restrictions, the previous government planned to bring forward secondary legislation. The restrictions were expected to come into force in January 2023, but they were postponed for a year and were then further delayed until 1 October 2025.
In the King’s Speech on 17 May 2024, the Labour government announced it would legislate to restrict advertising of HFSS food to children along with the sale of high caffeine energy drinks to children. This was a manifesto commitment.
On 12 September 2024, the government published a response to the 2022 consultation on secondary legislation to introduce TV and online advertising restrictions for HFSS products. It said the new rules would be in place from 1 October 2025.
However, in a written statement made on 22 May 2025, Ashton Dalton, the Parliamentary Under-Secretary of State for Public Health and Prevention, announced a delay to the restrictions coming into force – from 1 October 2025 to 5 January 2026. She said the government intended to introduce secondary legislation that would explicitly exempt “brand advertising” from the advertising restrictions of less healthy food and drink on TV and online. To allow time for consultation on the draft secondary legislation, the government had decided to postpone the implementation date of the restrictions.
Significantly, the minister said that in agreement with the government, advertisers and broadcasters (with the support of online platforms and publishers) had made a commitment to comply with the advertising restrictions as though they were still coming into force from 1 October 2025.
Prior to this announcement, industry stakeholders had raised concerns about the ASA’s enforcement guidance. The current position is that legal clarification of “brand advertising” is to be determined before the advertising restrictions come into force on 5 January 2026, subject to parliamentary approval.
The primary aim of the Online Safety Act 2023 is to protect children and to tackle illegal and harmful content online. There are stand-alone provisions in the act dealing with fraudulent adverts in ‘user-to-user’ and ‘search’ services. Specifically, a requirement for the service provider to put in place proportionate systems and processes to prevent the risk of users encountering fraudulent adverts. The government said these new provisions would increase the protection of children (and others) from fraudulent online advertising.
This briefing looks at the current advertising regulatory system in the UK, with specific reference to advertising to children. It draws heavily on online information provided by the ASA. It also considers specific issues on advertising to children including advertisements placed close to schools, the use of sexualised imagery, child safety, the advertising of HFSS foods and age restricted products (such as betting and gaming products and e-cigarettes).
Advertising to children (449 KB , PDF)
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To tackle obesity levels, the government said it would legislate to restrict advertising of HFSS foods to children. This briefing summarises current regulation.