UK ETA for Dual Citizens: Which Passport Should You Use?

Dual Citizenship and the UK ETA: What You Need to Know

If you hold passports from two or more countries, the UK Electronic Travel Authorisation (ETA) raises some important questions. Which passport should you apply with? Do you even need an ETA? What if one of your citizenships is British? This guide answers all of these questions with clear rules and practical examples.

Since 25 February 2026, the UK ETA applies to all non-visa nationals entering the United Kingdom. The ETA costs £16 per person (an increase to £20 has been announced but the date has not been confirmed), is valid for two years or until your passport expires, allows multiple entries, and permits stays of up to six months per visit. Apply through the official UK ETA app or GOV.UK.

For a full overview of the ETA system, see our complete guide to the UK ETA 2026.

The Most Important Rule: British Dual Nationals

If you hold British citizenship alongside another nationality, the rule is absolute: you must use your British passport to enter the UK. You cannot apply for an ETA, and you do not need one.

This applies regardless of which country your other passport is from. Whether you are British-American, British-Australian, British-French, or hold British citizenship alongside any other nationality, you enter the UK on your right of abode as a British citizen.

Why You Cannot Get an ETA as a British Citizen

The ETA system is designed for non-British nationals visiting the UK. As a British citizen, you have an automatic right to enter and remain in the United Kingdom. Applying for an ETA would be applying for permission you already have by right. The system will reject an application from anyone identified as a British citizen.

What If Your British Passport Has Expired?

This is a common concern for dual nationals who may not have renewed their British passport in years. The UK government has addressed this with a temporary concession.

If your British passport has expired and you cannot renew it before travel, you may still be able to enter the UK using your other (non-British) passport. However, this situation is more complex:

• If your non-British passport is from an ETA-eligible country, you would technically need an ETA to travel on that passport. But because you are a British citizen, you should not be applying for an ETA.
• The recommended course of action is to renew your British passport before travelling. Her Majesty’s Passport Office offers standard and fast-track renewal services.
• If renewal is genuinely impossible before your travel date, contact the British embassy or consulate in your country of residence for guidance on emergency travel documents.

Important: Do not attempt to apply for an ETA using your non-British passport if you are a British citizen. This could create complications with your immigration record and may constitute a false declaration.

Certificate of Entitlement to the Right of Abode

Some people have the right of abode in the UK without holding a British passport. This can include certain Commonwealth citizens with specific connections to the UK. If you hold a Certificate of Entitlement to the Right of Abode in your non-British passport, you can use this to enter the UK without an ETA.

Who Might Have the Right of Abode?

• All British citizens automatically have the right of abode
• Certain Commonwealth citizens who had the right of abode before 1 January 1983 and have not lost it
• Commonwealth citizens with a parent born in the UK (in specific circumstances)

The Certificate of Entitlement is a physical vignette (sticker) placed in your non-British passport. If you have one, it serves as proof of your right to enter the UK freely. You do not need an ETA in addition to this certificate.

How to Apply for a Certificate of Entitlement

If you believe you have the right of abode but do not have a British passport or a certificate, you can apply through the UK government website. The process involves providing evidence of your connection to the UK and paying a fee. It is a separate process from the ETA and from a passport application.

Non-British Dual Nationals: Choosing Which Passport to Use

If you hold two or more passports and none of them is British, you have more flexibility. The key decisions depend on the immigration status of each of your nationalities.

Both Passports Are ETA-Eligible

If both of your nationalities qualify for the ETA (that is, both are non-visa nationals), you can choose which passport to use. The ETA will be linked to whichever passport you apply with.

Factors to consider when choosing:

• Passport expiry date: Choose the passport with the longer remaining validity. Your ETA expires when your passport does, so a passport valid for five more years gives you a longer ETA than one valid for only one year.
• Biometric compatibility: The ETA is linked to your biometric passport. Choose the passport you are most likely to carry and present at borders consistently.
• Other travel plans: Consider which passport is more practical for your overall travel itinerary. If you are flying from a country where one passport gives you easier transit, that might influence your choice.
• Consistency: Use the same passport for your ETA application and at the UK border. Do not apply with one passport and present another.

One Passport Is ETA-Eligible, the Other Requires a Visa

If one of your nationalities is ETA-eligible and the other requires a visa to visit the UK, the choice is straightforward: use the ETA-eligible passport. Applying for a £16 ETA is vastly simpler, cheaper, and faster than applying for a UK visa.

Example: A person with both Swedish and Turkish citizenship. Swedish citizens are ETA-eligible, while Turkish citizens require a visa. Using the Swedish passport and applying for the ETA is the obvious choice.

Neither Passport Is ETA-Eligible

If both of your nationalities require a visa to visit the UK, the ETA is not an option. You will need to apply for a Standard Visitor Visa using whichever passport you prefer. This situation is outside the scope of the ETA system.

Practical Examples for Common Dual Nationality Combinations

Here are real-world examples showing how the rules apply to common dual citizenship scenarios.

Swedish-American Dual Citizen

Both Sweden (EU) and the United States are ETA-eligible nationalities. You can choose either passport for your ETA application. If your American passport expires in 2030 but your Swedish passport expires in 2028, applying with the American passport gives you a longer ETA validity. Use whichever is more practical, but be consistent.

Australian-Italian Dual Citizen

Both Australia and Italy are ETA-eligible. An Australian-Italian living in Melbourne might prefer to use their Australian passport for simplicity, as it is the passport they use day-to-day. An Australian-Italian living in Rome might find the Italian passport more convenient since it is what they carry regularly.

Canadian-Iranian Dual Citizen

Canada is ETA-eligible, while Iran requires a visa. Use the Canadian passport for the ETA. This is a clear case where dual nationality simplifies travel to the UK.

British-French Dual Citizen

You are British. Use your British passport. You do not need and cannot get an ETA. Even though France is ETA-eligible, your British citizenship takes priority. Always enter the UK as a British citizen.

Japanese-Brazilian Dual Citizen

Both Japan and Brazil are ETA-eligible. Choose based on passport expiry dates and travel convenience. Note that Japan does not officially recognise dual nationality for adults, but UK immigration does not concern itself with the domestic laws of your nationality countries. You can present either valid passport at the UK border.

German-South African Dual Citizen

Both Germany and South Africa are ETA-eligible. A German-South African living in Johannesburg might use their South African passport for the ETA if that is the passport they typically travel with. If living in Berlin, the German passport might be more convenient.

Swiss-Lebanese Dual Citizen

Switzerland is ETA-eligible, while Lebanon requires a visa. Use the Swiss passport and apply for the ETA. This saves you the time and expense of a visa application.

Common Mistakes Dual Citizens Make

Dual nationality adds complexity to any immigration system. Here are the most common errors to avoid.

Mistake 1: Applying with One Passport, Travelling with Another

Your ETA is linked to a specific passport number. If you apply using your Italian passport but present your Australian passport at the UK border, the system will not find your ETA. Always use the same passport for application and travel.

Mistake 2: British Citizens Applying for an ETA

If you are a British citizen, you do not qualify for an ETA. Applying for one using your non-British passport is not appropriate and could create immigration record complications. Renew your British passport instead.

Mistake 3: Forgetting to Update After Passport Renewal

If you renew the passport linked to your ETA, your old ETA becomes invalid (it was linked to the old passport number). You need to apply for a new ETA linked to your new passport. This applies even if your old ETA had years of validity remaining.

Mistake 4: Assuming All Passports Are Equal

Not all passports have the same immigration status with the UK. Just because one of your passports is ETA-eligible does not mean the other is. Check both before deciding which to use.

Mistake 5: Not Declaring Dual Nationality When Asked

If a UK border officer asks whether you hold any other nationalities, you should answer honestly. Failing to declare British citizenship when holding another passport can be seen as a serious issue. Immigration officers have access to databases that can reveal undisclosed citizenships.

Applying for the ETA as a Dual Citizen

The ETA application process is the same for dual citizens as for anyone else. Here are the steps with dual-citizenship-specific considerations.

Step 1: Decide Which Passport to Use

Based on the guidance above, choose the passport that gives you the best outcome (longest validity, ETA-eligible, most practical for your travel).

Step 2: Apply Using That Passport Only

Enter the details from your chosen passport into the ETA application. Do not mix information from different passports. The passport number, nationality, expiry date, and personal details should all come from the same document.

Step 3: Use a Matching Photo

The photograph you submit should match the passport you are using for the application. For photo guidance, see our UK ETA photo requirements guide.

Step 4: Travel with the Correct Passport

On your travel day, present the passport you used for the ETA application. Keep the other passport in your bag if you need it for other legs of your journey, but use the ETA-linked passport at the UK border.

For the complete application walkthrough, see our step-by-step ETA application guide.

Dual Citizens Travelling with Family

Family travel adds another layer of complexity when dual nationality is involved. Here are some common scenarios.

Mixed-Nationality Families

In many families, parents and children hold different nationalities. For example:

• A British-American mother, an American father, and children who are both British and American
• A Swedish father, a Brazilian mother, and children with both nationalities

Each family member must be assessed individually. The British-American mother uses her British passport (no ETA needed). The American father needs an ETA. The British-American children use their British passports (no ETA needed). Each person’s situation is independent.

Children with Dual Nationality

Children follow the same rules as adults. If a child holds British citizenship, they should enter on their British passport. If they hold two non-British ETA-eligible passports, the parent chooses which one to use for the child’s ETA application.

Every child needs their own ETA at £16 each, including infants. Parents apply on behalf of their children. For detailed guidance, see our ETA for children and families guide.

What Happens at the UK Border

When you arrive at the UK border (whether at an airport, Eurostar terminal, or seaport), the immigration officer will check your passport and verify your ETA electronically. For dual citizens, a few things to keep in mind:

Using E-Gates

Many airports have electronic passport gates (e-gates) that can process ETA holders automatically. Insert the passport linked to your ETA. If you insert a different passport, the gate will not find your ETA and you will be directed to a manual desk.

Questions About Other Nationalities

Border officers may ask whether you hold any other nationalities or passports. Answer truthfully. Having dual nationality is not a problem; failing to disclose it can be.

British Passport Holders at E-Gates

If you are a British citizen with another nationality, use your British passport at the e-gate. British passport holders have dedicated lanes and do not need any additional authorisation to enter.

For more on what to expect at the border, see our border control and customs guide.

Special Situations

Recently Acquired British Citizenship

If you have recently become a British citizen through naturalisation but have not yet received your British passport, contact the Home Office or your local passport office for guidance on temporary travel arrangements. Do not apply for an ETA using your old passport once you have been granted British citizenship.

British Overseas Territories Citizens

Citizens of British Overseas Territories (such as Bermuda, the Cayman Islands, or Gibraltar) have specific immigration rights in the UK. Most British Overseas Territories citizens are also British citizens since the British Overseas Territories Act 2002. If you hold BOTC status, check whether you also hold full British citizenship, which would determine your entry rights.

Irish Citizens

If one of your citizenships is Irish, you have a unique advantage. Under the Common Travel Area (CTA) arrangement between the UK and Ireland, Irish citizens have the right to enter and live in the UK without any visa, ETA, or other immigration permission. If you are a dual citizen with Irish nationality, you can enter the UK on your Irish passport without an ETA.

Renounced Citizenship

If you have formally renounced one of your citizenships, you should no longer use that passport for travel. Apply for the ETA using the passport from your remaining active citizenship. If you have renounced British citizenship, you are no longer a British citizen and would need an ETA (assuming your remaining nationality is ETA-eligible).

Frequently Asked Questions

I have three passports. Which one should I use?

The same principles apply. If one is British, use that. If none is British, choose the most practical ETA-eligible passport based on validity, convenience, and consistency with your travel plans.

Can I apply for two ETAs with two different passports?

Technically, you could apply for separate ETAs using two different ETA-eligible passports. However, there is no practical benefit and it wastes money (£32 instead of £16). Choose one passport and stick with it.

Will border officers know I have another passport?

Possibly. UK immigration systems are sophisticated and may have information about your other nationalities, especially if you have previously entered the UK on a different passport. This is not a problem as long as you are honest when asked.

My child was born in the UK but we live abroad. Do they need an ETA?

Being born in the UK does not automatically confer British citizenship (it depends on the parents’ immigration status at the time of birth). If your child is not a British citizen, they need an ETA if their passport nationality is ETA-eligible. If they are a British citizen, they need a British passport.

I lost my British passport and need to travel urgently. Can I get an ETA with my other passport?

As a British citizen, you should not apply for an ETA. Contact the nearest British embassy or consulate for an emergency travel document instead. This is the correct and proper route for British citizens who need to travel urgently without their passport.

Summary

For dual citizens, the UK ETA rules can be distilled into a few clear principles. If you are British, always use your British passport and skip the ETA. If you are not British but hold two ETA-eligible passports, choose the one with the longest validity and greatest travel convenience. If one passport is ETA-eligible and the other is not, use the ETA-eligible one. Most importantly, be consistent: apply for the ETA with one passport and present that same passport at the UK border.

With these principles in mind, dual citizens can navigate the UK ETA system confidently and efficiently. For any situation not covered here, the UK government website or a qualified immigration advisor can provide specific guidance for your circumstances.