Passport rules for Europe: the two dates that get people turned away

Your passport can be in date, unexpired and perfectly valid, and still get you refused at the gate. Two separate rules apply, and almost everybody only checks one of them.

✓ Last checked 20 September 2026 By Oliver Jones Independent — we sell nothing

This is the single most common reason a British passenger is stopped at a departure gate for something other than baggage, and it is entirely preventable with two minutes and a calculator.

Why there are two rules

Before Brexit, a UK passport worked across the EU on the strength of being unexpired. Since the UK became a third country, British travellers are treated under the same rules the EU applies to any other non-member, and those rules have always had two separate conditions.

They are independent of each other. Satisfying one does not help you with the other.

Rule one: the issue date

Your passport must have been issued less than ten years before the date you arrive.

This is the one that catches people, because nobody thinks about the issue date. It is printed on the photo page above the expiry date and most people have never read it.

The reason it matters is historical. Until September 2018, the UK Passport Office would add any unexpired time from your old passport onto the new one, up to nine extra months. A passport renewed early could therefore show an expiry date up to ten years and nine months after it was issued.

Those extra months are valid in the UK and ignored by the EU. A passport issued in March 2017 expiring in December 2027 is, for the purposes of entering Spain, expired from March 2027.

Rule two: three months after you leave

Your passport must be valid for at least three months after the day you intend to leave the Schengen area.

Note what that is measured from: your departure from the area, not your arrival. If you fly to Alicante on 1 June and come home on 15 June, the passport must be valid until at least 15 September.

In practice most people apply a simple safety margin: if your passport expires within six months of travel, renew it. That clears both rules without any arithmetic.

Ireland is different

This matters more from Belfast than from anywhere else in the UK.

Ireland is not in the Schengen area, and the Common Travel Area between the UK and Ireland predates both countries’ EU membership and survived Brexit intact. British citizens do not need a passport to enter Ireland at all, in law.

In practice, airlines and ferry operators require photographic identification of their own accord, and most will want a passport. The ten-year and three-month rules, however, do not apply.

Children’s passports

Child passports run for five years, not ten, and they expire quietly. A family that checked the adults’ passports and assumed the children were fine is a recurring story at check-in desks every July.

Check every passport in the household, individually, before you book.

How long renewal takes

The Passport Office publishes a current processing time and it moves with demand. It lengthens sharply in spring as people start checking before summer, which is exactly when everyone else is also applying.

The practical guidance: renew before you book, not after. A passport that arrives two days late costs you the whole holiday, and no insurance policy covers failing to hold valid documents.

What about EES and ETIAS

The EU has been introducing two new systems: an Entry/Exit System that records border crossings biometrically, and ETIAS, a pre-travel authorisation similar to the American ESTA. Both have been subject to repeated delays and phased rollouts.

Neither replaces the passport rules above. Check the current status on the UK government’s travel advice pages close to your departure date, because this is the part of the subject most likely to have moved since this page was written.