Do I have to declare banned knives and edged weapons at United Kingdom customs?

There is nothing to declare — banned knives and edged weapons cannot be brought in at all. Declaring it does not make it admissible; it hands it over.

What happens if I do not declare banned knives and edged weapons in United Kingdom?

Under Travellers' Allowances Order 1994, if you declare the excess yourself: a flat-rate charge is applied to the excess. The normal duty becomes payable on the excess. Under Customs and Excise Management Act 1979, section 167, if it is treated as smuggling: it is prosecuted as a criminal offence; the goods are confiscated.

Can I post or ship banned knives and edged weapons to United Kingdom instead of carrying it?

Not under this allowance. It covers goods a traveller carries; a parcel is an import and is assessed under the postal rules instead. Baggage sent before or after you travels under the same allowance.

Can I take banned knives and edged weapons out of United Kingdom?

United Kingdom publishes no separate rule for taking banned knives and edged weapons out; the destination's rules are what will apply.

Does the United Kingdom limit for banned knives and edged weapons apply per person or per family?

Per person. Each traveller carries their own allowance and it cannot be pooled with anyone else's.

Where does this rule come from?

HM Revenue and Customs (HMRC) / Border Force states it in Guns, knives, swords and other offensive weapons: UK border control. CarryRules last confirmed that sentence at the source on 2026-09-19. The sentence it rests on reads: “It is illegal to bring into the UK, sell, hire, lend, give or possess in private the following, unless a legal exemption applies: butterfly knives (also known as ‘balisongs’)”

How does United Kingdom compare with other countries on banned knives and edged weapons?

Of the 20 countries covered here, 11 prohibit banned knives and edged weapons, 8 limit it and 1 let it through. United Kingdom is among the strictest.

How much Banned knives and edged weapons can I bring into United Kingdom?

Prohibited

You cannot bring Banned knives and edged weapons into United Kingdom.

Carried Not allowed

Declaration Required — surrender

Limit No stated quantity

What you need to know

No stated quantity
Channels: Carried with the traveler

Important

This allowance applies per person, not per family or group.

Official sources

Last verified 2026-09-19

Guns, knives, swords and other offensive weapons: UK border control GOV.UK — Border Force / HM Revenue & Customs

Questions about Banned knives and edged weapons in United Kingdom

How many banned knives and edged weapons can I bring into United Kingdom?: banned knives and edged weapons may not be brought into United Kingdom at all. The allowance is per traveller and cannot be pooled between people.
Do I have to declare banned knives and edged weapons at United Kingdom customs?: There is nothing to declare — banned knives and edged weapons cannot be brought in at all. Declaring it does not make it admissible; it hands it over.
What happens if I do not declare banned knives and edged weapons in United Kingdom?: Under Travellers' Allowances Order 1994, if you declare the excess yourself: a flat-rate charge is applied to the excess. The normal duty becomes payable on the excess. Under Customs and Excise Management Act 1979, section 167, if it is treated as smuggling: it is prosecuted as a criminal offence; the goods are confiscated.
Can I post or ship banned knives and edged weapons to United Kingdom instead of carrying it?: Not under this allowance. It covers goods a traveller carries; a parcel is an import and is assessed under the postal rules instead. Baggage sent before or after you travels under the same allowance.
Can I take banned knives and edged weapons out of United Kingdom?: United Kingdom publishes no separate rule for taking banned knives and edged weapons out; the destination's rules are what will apply.
Does the United Kingdom limit for banned knives and edged weapons apply per person or per family?: Per person. Each traveller carries their own allowance and it cannot be pooled with anyone else's.
Where does this rule come from?: HM Revenue and Customs (HMRC) / Border Force states it in Guns, knives, swords and other offensive weapons: UK border control. CarryRules last confirmed that sentence at the source on 2026-09-19. The sentence it rests on reads: “It is illegal to bring into the UK, sell, hire, lend, give or possess in private the following, unless a legal exemption applies: butterfly knives (also known as ‘balisongs’)”
How does United Kingdom compare with other countries on banned knives and edged weapons?: Of the 20 countries covered here, 11 prohibit banned knives and edged weapons, 8 limit it and 1 let it through. United Kingdom is among the strictest.

Related items

Accompanied cash Accompanying goods, non-commercial (flat-rate band) Agricultural/forestry/fishery/livestock products (general sub-cap) Alcohol and alcoholic beverages above 22% vol (or undenatured ethyl alcohol 80% vol and over)

Related countries

Australia Canada China France

Other items in this group

Antique and replica weapons Buddha images, artifacts/objects, antiques CITES-protected species and products Cigarettes, tobacco and alcoholic beverages (commercial import, Excise Department permit) Consumer fireworks Controlled drugs (Misuse of Drugs Regulations, 4th Schedule)