If you hold British citizenship alongside another nationality, the way you travel back to the UK is about to undergo its most significant change in decades.
By 25 February 2026, the UK’s Electronic Travel Authorisation (ETA) scheme will be fully operational. While the headlines usually focus on tourists, these digital changes have a direct impact on British dual nationals who frequently travel on their non-British passports.
Here is a guide to navigating the new “No Permission, No Travel” era.
The “Digital Gatekeeper” Problem
In the past, many dual nationals; for example, a British-American or a British-Australian found it convenient to travel to the UK using their foreign passport. As long as that country didn’t require a visa, airlines usually allowed boarding without issue.
That ends on 25 February 2026.
Under the new system, carriers (airlines, ferries, and trains) are legally required to check for digital permission before you board. When they scan a foreign passport, the system looks for an ETA or a visa. If it finds neither, you will be denied boarding.
Why You Can’t Just Get an ETA
You might think the simple fix is to just apply for an ETA on your foreign passport. However, British citizens are legally ineligible for an ETA. The system is designed for visitors, and since you have the right of abode in the UK, you aren’t a visitor.
This creates a “documentation gap” for dual nationals who don’t carry a UK passport.
Your Three Options for Smooth Travel
To ensure the airline’s digital system gives you the “green light” to board, you must present one of the following:
- A Valid British Passport: This is the most straightforward solution. Presenting a current UK passport at check-in bypasses the need for an ETA entirely.
- A Valid Irish Passport: Due to the Common Travel Area, British-Irish dual nationals remain exempt from these requirements and can continue to travel on their Irish documentation.
- A Certificate of Entitlement (CoE): If you prefer to travel on your foreign passport, you must apply for a CoE. This is a formal vignette (or digital record) that proves you have the “Right of Abode” in the UK.
Transitioning to eVisas
The Home Office is moving away from physical documents. If you use a Certificate of Entitlement, you will likely need to link this status to a UKVI account (an eVisa). This digital link allows the airline to see—instantly—that you are exempt from the ETA requirement when they scan your foreign passport.
Risks of Unpreparedness
If you arrive at the airport on or after 25 February 2026 with only a foreign passport and no digital proof of your British status:
- Boarding will likely be denied. Airlines face heavy fines for carrying passengers without the correct digital clearance.
- Emergency documents are limited. Emergency Travel Documents (ETDs) are usually reserved for those who have lost a passport, not those who forgot to renew one.
The Takeaway
The “hidden” requirement of the ETA rollout is that it essentially mandates British dual nationals to carry proof of their citizenship.
Our advice: Check your British passport expiry date today. If you don’t have one, or it has expired, start the application process now. Relying on your “other” passport is no longer a viable strategy for returning home.
Contact Our Immigration Lawyer
Our Immigration lawyer Shareena Rahman is widely respected for her proven expertise in representing both individuals and corporate clients, delivering consistently successful outcomes.
Please email immigration@bishopandsewell.co.uk or contact us on 020 7631 4141 and ask to speak Shareena Rahman.
The above is accurate as at 25 February 2026.
