16/01/2026
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The new British passport dual citizenship rules, explained
Dual citizens face new rules to enter the UK from 25 February.
Andy Wells, Freelance Writer
Thu, 15 January 2026 at 10:55 am GMT
3 min read
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MORZINE, FRANCE - APRIL 07: In this photo illustration a man holds a United Kingdom issued passport in the village of St Jean d& #39;Aulps on April 07, 2025 near Morzine, France. Since leaving the European Union, the British passport is now a non-EU passport with a blue cover and a gold Royal crest. (Photo by Matt Cardy/Getty Images)
New British passport dual citizenship rules are coming into force in February. (Getty)
(Matt Cardy via Getty Images)More
British dual citizens will face tough updated rules when entering the UK from overseas, under new government guidelines.
New rules that come into effect from the end of February will mean that dual citizens can only use a current British passport to enter the country – and not the passport of the country where they hold dual citizenship.
It means that any British national attempting to enter the country will be refused entry unless they present their British passport or a certificate of entitlement to prove their status.
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Dual citizens face new rules to enter the UK from 25 February.