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Weapons — United Kingdom
What travelers need to know about weapons in United Kingdom. What is legal at home can be a serious crime here — each rule links to its official source.
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Driving in the U.S. too?The free LawLert iPhone app alerts you when you cross into a U.S. state where a law you track differs. It doesn't cover other countries yet.Get the free appWeapons in United Kingdom: prohibited — what is legal at home can be a serious crime here.
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It is illegal to carry most knives in public without good reason, including any lock knife or any folding blade over 3 inches; banned knives (flick, butterfly, zombie) cannot even be brought into the UK.
Carrying a knife illegally can mean up to 4 years in prison and an unlimited fine.
§ GOV.UKVerified Jul 6, 2026
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LawLert is an independent app and is not affiliated with any government. It summarizes laws from official government and U.S. State Department sources for general information only. This is not legal advice, and laws change. Always confirm with official sources and local authorities before you travel.