Dual nationals travelling to the United Kingdom will face new entry documentation requirements starting 25 February 2026. The change, introduced by the UK Home Office, affects British citizens who also hold another nationality and forms part of the UK’s wider Electronic Travel Authorisation (ETA) rollout.
If you are a dual British citizen, you will no longer be able to rely solely on your non-UK passport to board a flight or ferry to the UK. Instead, you must present a valid UK or Irish passport or a certificate of entitlement.
Here’s what has changed and what travellers should do immediately.
What Has Changed for Dual Nationals?
From 25 February 2026, dual British nationals must present:
- A valid British passport, or
- A Certificate of Entitlement to the Right of Abode, or
- A valid Irish passport (if also an Irish citizen)
Without one of these, boarding may be refused. The rule applies even if the individual is travelling from a country eligible under the UK’s Electronic Travel Authorisation (ETA) system.
How the ETA System Fits In
The new rule is part of the broader UK border digitisation under the Electronic Travel Authorisation (ETA) framework. The ETA:
- Is a digital travel authorisation
- Allows short visits (up to 6 months)
- Is valid for two years
- Currently costs £16
- Applies to visa-exempt nationals
However, dual British or Irish citizens cannot apply for an ETA. They must instead prove their British or Irish status through official documentation.
Why the UK Introduced This Rule
According to the UK Home Office, the change is designed to:
- Strengthen border identity verification
- Prevent misuse of visa-free travel routes
- Digitise entry screening processes
- Align dual nationals with UK nationality documentation rules
The government has stated that public information about the requirement has been available since October 2024.
What Documents Are Accepted?
1. British Passport
A standard adult British passport costs approximately £94.50.
2. Certificate of Entitlement
This document proves a person’s Right of Abode in the UK and currently costs £589.
3. Irish Passport
Valid Irish passport holders remain exempt under Common Travel Area arrangements.
The Temporary Workaround
The UK government has acknowledged transitional difficulties and stated that some carriers may temporarily accept alternative documentation.
In certain cases, airlines or ferry operators may allow travel using:
- An expired UK passport (issued in 1989 or later), plus
- A valid passport from a country eligible for an ETA
However, this is not guaranteed.
Acceptance of alternative documents is entirely at the discretion of the airline or carrier. Even if boarding is allowed, UK border officials may conduct additional checks upon arrival.
Authorities strongly recommend obtaining a valid British passport or Certificate of Entitlement to avoid travel disruption.
What Should Dual Nationals Do Now?
If you hold British citizenship alongside another nationality:
- Check whether your British passport is valid.
- If expired, renew it immediately.
- If you do not hold a British passport, apply for one or obtain a Certificate of Entitlement.
- Do not rely on ETA eligibility under your second passport.
- Confirm boarding requirements directly with your airline before travel.
Given processing timelines, early action is essential.
Frequently Asked Questions
Can dual British citizens apply for an ETA?
No. Dual British or Irish citizens are not eligible for ETA and must present a British or Irish passport.
Can I travel using only my foreign passport?
Not after 25 February 2026. You must show proof of British citizenship or Right of Abode.
Will expired British passports be accepted?
Possibly, but only temporarily and at the discretion of the airline. It is not guaranteed.
Does this affect Irish citizens?
No. Valid Irish passport holders can continue travelling under existing arrangements.
Final Advisory
This update marks a significant operational change in UK border policy. While framed as part of digital modernisation, it introduces stricter documentation requirements for dual nationals.
Travellers are strongly advised to ensure they hold valid British documentation before booking travel to avoid denied boarding or delays at the border.
For official guidance, always refer to the UK government website or consult a qualified immigration professional.
Disclaimer: All information is provided as a general guide only and does not constitute legal advice. It is important to note that immigration policies and operational practices are subject to sudden and unexpected changes.