Government says it is “giving children back their childhoods”… but at what cost?

The UK government has announced plans to ban under‑16s from major social media platforms, framing the move as a way to “give children their childhood back.” Following in Australia’s footsteps, the proposal marks a clear shift in how online harms are addressed—from regulating platform behaviour to restricting access altogether.

While the intention is politically compelling, the detail raises significant legal, practical and commercial questions.

What’s being proposed?

The headline measure is a blanket ban preventing under‑16s from accessing major “user‑to‑user” platforms, including TikTok, Instagram, Snapchat, Facebook, X and YouTube. The UK is planning to use the same model as Australia whilst incorporating additional restrictions. These include, for example, blocking livestreaming and limiting communication with strangers across a wider range of services, including gaming.

Whilst the government has confirmed that messaging services like WhatsApp and Signal will not be within scope, there is still ambiguity around services such as Facebook Messenger

The government has set an ambitious timeline. Regulations are expected to be laid before parliament by the end of 2026, with implementation targeted for Spring 2027. Under the current proposal, under‑16s would be fully restricted, while 16–17‑year‑olds would retain access subject to enhanced safeguards, including turning off stranger communication by default.

A shift in regulation

From a regulatory perspective, the proposal builds on the Online Safety Act (OSA), which already requires platforms to mitigate risks to children on social media. However,  this new approach signals a steep change for the government by moving towards outright prohibition.

Although government data shows that 9 in 10 parents are in favour, this support is not shared by the companies who own the affected platforms. YouTube and Meta have raised concerns that restricting teens access to social media could actually drive young users away from expertly curated and beneficial online communities into a world of unregulated alternatives.

How will it work in practice?

At the heart of the proposal is age verification. The relevant social media companies will be required to take “reasonable steps” to ensure that users of their platform are over 16. This is likely to involve a combination of ID checks, facial age estimation technology and digital identity tools, although the precise requirements are yet to be finalised.

Regardless of the ID verification system adopted by Ofcom, enforcement will remain challenging. Australia’s eSafety Commissioner’s March 2026 compliance update found that a substantial proportion of under-16 users continued to retain or create accounts after the restrictions took effect, with parent-survey data indicating that around 60–70% of those who previously had accounts remained on Facebook, Instagram, Snapchat and TikTok.

Legal and commercial implications

The findings of Australia’s eSafety Commissioner’s update raised questions about the effectiveness of the proposed measures, but also about the extent of the steps platforms will need to take to demonstrate compliance. Implementing robust verification systems may require platforms to revisit and redesign core features and user journeys that have been refined over many years.

There are also clear data protection implications. Effective age verification will require the collection and processing of personal data, much of which will relate to children and may include biometric data. This is a particularly sensitive category of data, and its use will demand careful handling, bringing with it a heightened level of regulatory scrutiny and risk.

Some commentators suggest that that efforts should remain focused on improving platform safety through better design, moderation, accountability and support rather than applying a blanket ban to a well-established system.

Key takeaways

The proposed ban represents a major escalation in the UK’s approach to online safety, with far‑reaching implications for technology companies and the wider digital ecosystem.

While uncertainty remains, the direction of travel is clear. Businesses should begin preparing now, focusing on stricter age verification requirements and the potential reshaping of how younger audiences interact online.

This shift is also likely to increase focus on the protection of minors’ data, increasing concerns around regulatory compliance and platform liability.

Whether the policy ultimately delivers on its promise remains to be seen. What is certain, however, is that it marks a pivotal moment in digital regulation and may signal the beginning of even more restrictive measures to come.