Dual British Nationals Need UK Passport for Entry from 2026

Starting February 25, 2026, dual British nationals will be required to present a valid British passport or a certificate of entitlement when entering the United Kingdom, ending a long-standing practice that allowed them to travel using only their foreign passport. The change, enforced at airports, ferry ports and train stations across the UK, aims to align with new digital border security measures and could affect up to 1.2 million people worldwide who hold British citizenship alongside another nationality.

The requirement stems from the rollout of the Electronic Travel Authorisation (ETA) system, which mandates pre-approval for non-visa nationals visiting the UK. While British and Irish citizens, including dual nationals, remain exempt from obtaining an ETA, transport carriers such as airlines must now verify their British status before allowing boarding. Without proper documentation, passengers risk delays, additional checks or outright refusal to board. A Home Office spokesperson stated, "From February 25, 2026, all dual British citizens will need to present either a valid British passport or certificate of entitlement when travelling to the UK. Without one, carriers cannot...