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The Ireland Question
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Jobs, business & trade✕ No clear answer

Would Northern Ireland still have access to the UK market after Irish unity?

Short answer

Only as part of the EU trading with a foreign country. Trade with Great Britain would come under the EU–UK trade agreement, with customs paperwork and checks.

What we know Fact

  • A united Ireland would be inside the EU single market and customs union.
  • The UK is outside both; EU–UK trade involves customs declarations and checks, even without tariffs.

What is still unclear Interpretation

Unity campaigners have not explained how businesses would keep easy access to their biggest market.

Sources

  1. UK Government: The Windsor Framework

Last checked 4 October 2026 · Spotted a mistake? Tell us and we'll correct it.