Starting September 28, passengers travelling by ferry between Britain and Ireland will be required to carry a valid passport, marking the first time in over a century that this measure has been enforced. The change was announced recently by ferry operators Stena Line and Irish Ferries, citing new requirements from the UK Border Force.

The updated policy mandates that all passengers, regardless of nationality or age, must present a valid passport before boarding ferries on routes such as Holyhead-Dublin and Fishguard-Rosslare. The operators emphasized that no other forms of identification will be accepted under the new rules.

This development comes despite the Common Travel Area (CTA) agreement, established in 1923, which allows British and Irish citizens to travel freely between the two countries without the legal necessity of a passport. Historically, ferry passengers were not consistently required to show passports and could use other photo identification forms instead.

Officials from Stena Line and Irish Ferries explained that the change is driven by UK Border Force regulations intended to ensure the accuracy and integrity of passenger data prior to boarding. The move aligns ferry travel requirements more closely with airline policies, as carriers like Ryanair and Aer Lingus already require passengers to carry passports when flying between Britain and Ireland.

The introduction of mandatory passports on ferries represents a notable shift in the longstanding travel practices within the CTA. While it does not alter existing legal rights under the agreement, it reflects evolving security and data verification priorities at the border enforcement level. Some travelers have expressed concern over the change, particularly given the longstanding ease of movement between the two countries.

At present, the new passport requirement applies solely to ferry operators that have communicated the change, with no indication of similar measures being adopted by other transport providers. The full impact of this policy on cross-border travel and passenger convenience will likely become clearer after its implementation later this month.