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Is it legal to install barbed wire?

Hello everyone, it's us from Fenceshop and today we are tackling a very important issue: the legality of fence systems such as barbed wires, electrified fences, and other anti-intrusion systems. To do so, we are relying on the expertise of Attorney Nimi, who will help us clarify the various legal aspects.

Defensive Measures: What They Are and When They Are Legal

First of all, it's important to understand what "defensive measures" are. These are means set up to protect property, such as barbed wire, traps, explosive devices, and electric barriers. These means are capable of causing harm and are directed towards third parties, who have a duty to refrain from disturbing the enjoyment of others' property rights. From a legal perspective, defensive measures are justified within the scope of justifications, as provided by article 51 of the penal code.

Visibility and Notification

A crucial aspect is that such means should not be concealed protections; they must always be visible. This means they should not be installed in a hidden or deceptive way but must be clearly visible and signposted. It is essential that there is an adequate warning to communicate the presence of these defense means and the associated risks.

Purpose and Proportionality

The property owner must question the purpose of installing these systems. If the goal is to create a deterrent, that's one thing; however, if the goal is to cause harm to an intruder, this is never acceptable. The protection must be proportional to the defense and must not infringe upon a right of a higher degree than the one being protected. In other words, the defense means must not have an excessive offensive capability.

Precautions to Take

To implement these systems, some precautions need to be adopted:

  • Proportionality: The harm must be proportionate to the defense.
  • Non-insidiousness: The aggression must not infringe upon a superior right.
  • Visibility: The protections must be visible.
  • Notification: Adequate communication of the presence of defense means and associated risks must be provided to third parties.
Legal Consequences

Failure to comply with the law can have serious consequences. Even in seemingly legitimate situations, actions might be deemed disproportionate, leading to severe damages for the owner. Responsibilities may include the obligation to financially compensate the harmed party and possible criminal charges before the Public Prosecutor's Office.

It's therefore essential to seek advice from a knowledgeable person, perhaps during the fence installation phase, to avoid legal issues.


We thank Attorney Nimi for the time dedicated and the expertise shared. We hope we have been clear and provided useful answers to our customers. We invite you to visit our institutional website and our e-commerce If you have any doubts or questions, you can also join our community on Facebook or leave a comment below. Thank you all for your attention and happy working!

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