What are the new rules for British passports?

Can a British citizen return to the UK with an expired passport?

As of February 25, 2026, you generally cannot enter the UK on an expired British passport. While you have a right to enter the UK, new rules require all British citizens to use a valid UK passport (or certificate of entitlement) to avoid issues with airlines, which may deny boarding.

Can I have dual citizenship with a British passport?

Dual citizenship (also known as dual nationality) is allowed in the UK. This means you can be a British citizen and also a citizen of other countries. You do not need to apply for dual citizenship. You can apply for foreign citizenship and keep your British citizenship.

What are the changes to the British passport in 2026?

Since 25 February 2026, carriers now have to check before departure whether you require permission to enter the UK. As a British or Irish citizen, you do not require permission. However, the carrier has to be able to recognise that exemption in its systems before allowing you to board.

Which passport should I use if I have dual citizenship?

As a dual citizen, you must use the passport corresponding to the country you are entering or leaving. Generally, use your U.S. passport to enter/exit the U.S. and your other passport for the foreign country. Always carry both passports to show airlines for boarding and immigration officers at borders.

Can a British citizen be refused entry to the UK?

People who don't have the necessary evidence of their eligibility to come to the UK might be denied boarding, due to transport operators' concerns about being fined for bringing inadequately documented passengers to the UK. British and Irish citizens' permission to travel is based on their nationality.

What is the new rule for a British passport?

As of February 25, 2026, major changes affect British dual nationals and travelers to the UK, most notably requiring dual citizens to use a British passport for entry. Foreign passports can no longer be used alone, meaning dual nationals must have a valid UK passport or certificate of entitlement to avoid travel disruption.

What are the new travel rules for 2026?

In 2026, major travel changes include mandatory REAL ID enforcement for U.S. domestic flights (or a $45 fee/passport), the launch of the European ETIAS authorization for travelers, strict new airline baggage/seating policies, and expanded security screening technology. Expect tighter security, higher fees for budget fares, and stricter, non-uniform liquid rules.

Does a birth certificate prove British citizenship?

To establish British nationality by birth, you will be usually required to show your entitlement by providing a copy of your full birth certificate, and evidence if your parents' immigration/citizenship status at the time of your birth.

Can I be a dual citizen of the US and the UK?

US & UK Dual Citizenship: Requirements, Benefits & How to Apply in 2026. Both the UK and US allow dual citizenship so Americans who would like to apply for British citizenship are able to maintain both citizenships.

What are the disadvantages of dual citizenship in the UK?

While dual citizenship offers several benefits, there are certain disadvantages associated with it, and they include the following:

• Double Taxation. ...
• Limited Embassy Assistance. ...
• Fewer Job Prospects. ...
• Possible Loss of Citizenship. ...
• Beauracratic Complexities. ...
• Work with an Immigration Lawyer. ...
• Keep Organised Records.

Am I automatically a British citizen by descent?

You are likely an automatic British citizen by descent if you were born outside the UK to a parent who was a British citizen "otherwise than by descent" (usually meaning they were born, adopted, or naturalized in the UK). This usually only applies to the first generation born abroad; it rarely passes down automatically beyond that.

What is the downside of having dual citizenship?

Dual citizenship offers benefits but entails significant drawbacks, including complex tax obligations (especially for U.S. citizens), mandatory military service in certain countries, potential security clearance limitations, and increased legal complications. Dual citizens may also face limited consular assistance and must adhere to specific, sometimes conflicting, laws in both nations.

Do I need two passports if I have dual citizenship?

Yes, you generally need both passports to maximize the benefits of dual citizenship and to comply with travel laws. While you don't need to carry them at all times, you are required to enter and leave the U.S. using your U.S. passport, and you must use your second country's passport to enter that nation.

Can I leave the country with one passport and enter with another?

Yes, you can enter a country with one passport and exit with another, but you must use the same passport to enter and exit a specific country to avoid immigration issues. This is common for dual citizens (e.g., using a US passport to leave the US and a UK passport to enter the UK).

What is the new passport rule for 2026?

Key 2026 passport rules for U.S. citizens include the mandatory enforcement of REAL ID for domestic flights beginning May 7, 2025 (affecting 2026 travel) or a $45 fee for non-compliant ID starting February 1, 2026, the implementation of European ETIAS travel authorization in late 2026, and new UK travel authorization (ETA) requirements starting February 25, 2026.

Do dual citizens need a British passport to enter the UK?

Dual Citizens

Effective February 25, 2026, all UK or Irish citizens, regardless of dual citizenship, must have a valid UK or Irish passport or certificate of entitlement when travelling to the UK.

How to get British citizenship in 2026?

You must also:

1. be over 18.
2. prove you were in the UK exactly 5 years before the day the Home Office receives your application.
3. prove your knowledge of English, Welsh or Scottish Gaelic.
4. have passed the life in the UK test.
5. intend to continue living in the UK.
6. be of good character - read the naturalisation guidance.

Do dual citizens pay taxes in both countries, the U.S. and the UK?

U.S.-UK dual citizens must file tax returns with both the IRS and HMRC, reporting worldwide income to each. The U.S. taxes based on citizenship, meaning you owe annual U.S. filing obligations regardless of whether you live in London or Los Angeles.

Will I lose my British citizenship if I leave the UK?

Generally, no, you cannot lose your British citizenship simply by living abroad for a long time. Once acquired, British citizenship is usually permanent, regardless of how long you live outside the UK. You only lose it if you actively renounce it or, in rare cases, if the Home Office deprives you of it due to fraud or national security risks.

Which passport should you use if you have dual citizenship?

As a dual citizen, you must use the passport corresponding to the country you are entering or leaving. Generally, use your U.S. passport to enter/exit the U.S. and your other passport for the foreign country. Always carry both passports to show airlines for boarding and immigration officers at borders.