United Kingdom Travel Requirements for Dual Citizens

Key Point  

• Effective 25 February 2026, the United Kingdom will require dual citizens to enter the country using a U.K. passport, an Irish passport or a foreign passport that contains a Certificate of Entitlement confirming the right of abode. 

Dual Citizen Travel Requirements 

The United Kingdom (U.K.) will no longer permit dual citizens to enter using only a foreign passport, beginning 25 February 2026. 

According to updated Home Office guidance, individuals who hold U.K. citizenship—whether solely or in combination with another nationality—must travel to the U.K. using one of the following: 

• A valid U.K. passport 
• A valid Irish passport 
• Any other valid passport that contains a Certificate of Entitlement confirming the holder’s right of abode 

Dual citizens cannot obtain an Electronic Travel Authorisation (ETA) and therefore cannot rely on a third‑country passport for U.K. entry after this date. This update does not change citizenship status but clarifies and tightens the documentation required to prove the right to enter the U.K. 

Looking Ahead 

Dual citizens who typically travel on a non‑U.K. passport should ensure they have the appropriate documentation well ahead of February 2026 to avoid disruption at airline check‑in or at the U.K. border. 

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