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What is the UK ID Check and Why Was It Introduced?

By Adam Brooks | Updated Dec 2025
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The Short Answer

The UK Online Safety Act now legally requires commercial adult websites to prove that their visitors are over 18. This usually means asking for a credit card or photo ID. You can protect your privacy by using a VPN to browse from a location without these intrusive laws.

If you have tried to visit a restricted website recently, you may have been blocked by a screen asking for your passport, driving licence, or credit card details. This is not a scam by the website itself, but a legal requirement forced upon them by the UK government.

For millions of privacy conscious adults, this raises serious questions about data security. Why should you have to hand over sensitive government documents just to browse the internet?

The Online Safety Act Explained

The Online Safety Act is a major piece of legislation passed by the UK Parliament. While it covers many aspects of internet safety, the most controversial section relates to "Age Assurance."

Under this law, Ofcom (the regulator) has the power to fine tech companies up to £18 million or 10% of their global revenue if they fail to prevent children from accessing age restricted content.

To avoid these massive fines, websites have implemented "hard" age checks. They can no longer rely on a simple "I am over 18" button. They must now verify your identity using hard data.

Why Was It Introduced?

The primary stated goal of the legislation is child protection. The government argued that it was too easy for minors to access inappropriate material on smartphones and tablets.

Campaigners have long called for stricter controls, arguing that the "self declaration" system (simply clicking a box) was ineffective. The new law shifts the responsibility from the parent to the website owner.

The Privacy Risks for Users

While the intention may be to protect children, the reality creates a "privacy nightmare" for adults. Security experts have raised three major concerns:

  • Database Hacks: If you upload your passport to a website, that image is stored on a server. If that server is hacked, criminals could steal your identity. Adult sites are high priority targets for cybercriminals.
  • Blackmail Potential: By verifying your ID, you are creating a permanent link between your real world identity and your browsing habits. In the event of a data leak (similar to the Ashley Madison breach), this data could be used for blackmail.
  • Third Party Tracking: Many sites use third party verification services. This means your data is being passed around multiple companies, increasing the "attack surface" for leaks.

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How to Maintain Digital Privacy

The verification systems rely on Geo-Blocking technology. They check your IP address to see if you are in the United Kingdom. If you are, they show the ID check.

If you are in the USA, Germany, or the Netherlands, the law does not apply, and the website works normally.

The VPN Solution

A Virtual Private Network (VPN) allows you to route your internet connection through a server in another country. To the website, it looks like you are browsing from New York or Amsterdam, not London.

This completely removes the ID check request. You do not need to upload any documents, and you keep your browsing history private from your Internet Service Provider (ISP).

For a detailed walkthrough on how to set this up, read our guide on How to Access Content Privately Step by Step.

Adam Brooks Editor

About the Editor

Adam Brooks leads the research team at TopListedVPNs. Our mission is to simplify digital privacy for UK users. We refuse to use technical jargon or recommend software we have not tested ourselves. When he is not running speed tests on servers in London and New York, Adam is researching the latest developments in UK online safety laws.