Using your GOV.UK One Login

Skip contents

Proving your identity with GOV.UK One Login

You’ll need to prove your identity with GOV.UK One Login to use some services. When you do this, your identity information is automatically saved to your GOV.UK One Login.

This means you will not need to prove your identity again next time a service needs to check who you are.

There are 3 ways to prove your identity with GOV.UK One Login:

  • with the GOV.UK ID Check app
  • by answering security questions online
  • at a Post Office

The method you use will depend on your device, if you have photo ID, and what type of photo ID it is.

With the GOV.UK ID Check app

You’ll need one of the following types of photo ID:

  • UK photocard driving licence
  • UK passport
  • non-UK passport with a biometric chip
  • UK biometric residence permit (BRP)
  • UK biometric residence card (BRC)
  • UK Frontier Worker permit (FWP)

You can use an expired BRP, BRC or FWP up to 18 months after its expiry date with the GOV.UK ID Check app.

You’ll also need access to a phone with a working camera. 

If you’re using an iPhone, it must be running iOS 14 or higher and be either:

  • an iPhone 6s or newer if your photo ID is a UK driving licence
  • an iPhone 7 or newer if you’re using any other type of photo ID

For an Android phone (for example, Samsung or Google Pixel), it must be running Android 10 or higher.

You’ll get guidance on how to download and use the app.

By answering security questions online

You’ll have to answer some security questions about things like your mobile phone contract, and any bank accounts, credit cards, loans or mortgages you may have.

You also need to enter details from one of the following:

  • UK passport
  • UK photocard driving licence
  • a current account with a UK bank or building society

At a Post Office

You’ll be asked to:

You’ll get an email about the result of your identity check - usually within a day of going to the Post Office.

You need one of the following types of photo ID:

  • UK passport
  • non-UK passport
  • UK photocard driving licence
  • European Union (EU) photocard driving licence
  • national identity photocard from an EU country, Norway, Iceland or Liechtenstein
View a printable version of the whole guide