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Imagine your cat being able to come and go safely without you having to worry about unwanted guests.
Unfortunately, a conventional cat flap can also be an invitation letter for burglars.

The solution is to install a burglar-proof cat flap that offers no chance for intruders or cold drafts.
In this article, you will learn how to make your cat flap secure, what risks conventional models pose and what intelligent solutions there are to combine security and convenience.

The importance of a burglar-proof cat flap

A cat flap offers your little friend the freedom to enter and leave the house whenever he wants. But have you ever thought that it can also pose a security risk ? If a cat flap is not burglar-proof, it can be a welcome opportunity for burglars to break into your home. That's why it's so important that you pay attention to certain security aspects when choosing and installing a cat flap. A burglar-proof cat flap not only protects against unwanted guests, but also gives you peace of mind when you're not at home.

The size and positioning of the cat flap play a crucial role in security. It should be as small as possible so that only your cat can fit through and no human hand can get through. It should also be installed in a place far away from door and window handles to minimize the risk of burglary. Also note that a burglar-proof cat flap should have the following features:

  • Robust materials that cannot be easily broken or removed.
  • Additional security mechanisms , such as locks or electronic systems that only allow your cat access.
  • Thermal insulation to prevent heat energy from being lost through the flap.

Safety risks of conventional cat flaps

Cat flaps are practical and allow our furry friends to move around freely. However, they can also pose security risks that are often underestimated. Burglars can use the flap as an access point to break into your home. It is therefore important to be aware of the potential dangers and take appropriate security measures.

A conventional cat flap can be a weak point in your home. It can often be easily manipulated to gain access to your home. Flaps that are large enough to allow a hand or tools to pass through are particularly vulnerable.

The safety risks that can arise from a cat flap include:

  • The possibility that burglars can insert tools through the flap and operate door or window handles.
  • The danger that the size of the flap allows burglars to put parts of their body through and thus open the lock.
  • The fact that a cat flap is often inadequately secured and therefore makes it easy for burglars to break in.

To minimize these risks, it is important to pay attention to safety features when choosing a cat flap. These include robust materials that cannot be easily broken into and mechanisms that only allow your cat access. In addition, the flap should be positioned so that it cannot be used as a lever to open windows or doors.

In summary, it is crucial to recognize and understand the security risks of a cat flap. With the right knowledge and the right measures, you can make your cat flap burglar-proof and thus effectively protect your home.

Break-in point: cat flap

Flimsy cat flap on a door, close-up of the weak locking mechanism, in a dimly lit environment, hinting at vulnerability, Photographic, detailed close-up shot with natural ambient light and a sense of unease.

Unfortunately, cat flaps can also be used as a point of entry. Burglars have developed various methods to break into apartments and houses via the flap. This can be done, for example, by using tools to reach door or window handles through the flap.

The size of the cat flap plays a crucial role. If it is too big, this can increase the risk of burglary. Experts recommend keeping the flap as small as possible and taking additional security measures to prevent intrusion.

Some tips to minimize the risk of burglary through cat flaps are:

  • Installation at a sufficient distance from door and window handles.
  • Use of flaps with electronic security systems that are only accessible to your own pet.
  • Additional mechanical security devices, such as latches or locks, that are not accessible from the outside.

insurance coverage and cat flap

A cat flap can affect insurance coverage . If a break-in occurs through a cat flap, this could be considered gross negligence and jeopardize insurance coverage.

It is therefore important to clarify with your insurance company what requirements there are for a secure cat flap. Some insurers may offer special additional insurance for pet flaps.

In order not to risk your insurance coverage, the following points should be observed:

  • The cat flap should be professionally installed and secured accordingly.
  • It should not be placed in such a way that it allows doors and windows to be opened .
  • It is advisable to be fully informed about the insurance regulations and to comply with them.

Legal considerations during installation

When installing a cat flap in a rented apartment, there are legal aspects to consider. The installation is considered a structural change and usually requires the consent of the landlord .

To avoid future conflicts, the landlord's permission should be recorded in writing . It can also be agreed that the flap will be removed when the tenant moves out and the original condition will be restored.

The following points should be considered when it comes to legal protection:

  • A written agreement on installation and dismantling obligations.
  • The ability to use a replaceable door or window panel to make the condition reversible.
  • The agreement with the landlord to find a solution acceptable to both parties.

Solutions for burglar-proof cat flaps

Burglar-proof cat flaps incorporate special features and technologies that prevent unauthorized persons from using them as an entry point. These technologies include electronic access controls such as RFID tags that only allow the cat to enter. These tags are attached to the cat's collar and communicate with the flap to open it.

In addition to electronic access control, burglar-proof models often also offer mechanical security . These include robust locks that cannot be manipulated from the outside. Some flaps have:

  • Reinforced frames and hinges
  • Latches that can only be opened from the inside
  • Additional locks that further secure access


Thermal insulation is another important feature of burglar-proof cat flaps. Not only does it ensure energy efficiency, but it also prevents burglars from detecting weak spots by feeling differences in heat. High-quality seals and insulating materials are crucial to prevent cold from entering and heat from escaping.

To further increase security, cat flaps can be installed in protected areas , such as a basement window with a secured shaft. This minimises the risk of burglars using the flap as an entry point. It is important that the flap is installed professionally to ensure safety and functionality.

Flappie's smart cat flaps: safety and convenience

Flappie's intelligent cat flaps not only offer you security against burglars , but also comfort for your cat . With a Flappie cat flap you can rest assured because it has selective access control and prey detection using a camera and artificial intelligence. This prevents your cat from bringing unwanted prey into the house. The advantages at a glance:

  • Selective access control : Only your cat can use the flap.
  • Prey detection : No more worries about mice or birds in the house.
  • Flappie App : Control the cat flap from anywhere and receive notifications and videos. With Flappie your home stays safe and your cat enjoys its freedom without unwanted surprises.

Frequently Asked Questions

How safe are cat flaps?

Cat flaps can pose a security risk if they are not burglar-proof. Burglars could use them as an entry point. A burglar-proof cat flap should have robust materials, additional security mechanisms such as locks or electronic systems and thermal insulation to protect against both intruders and energy loss.

Where is the best place to install a cat flap?

The cat flap should be installed so that it is far away from door and window handles to minimise the risk of break-ins. It may also be a good idea to install the flap in protected areas, such as a basement window with a secured shaft.

What do I need to consider when using a cat flap?

When choosing a cat flap, you should pay attention to its size and positioning so that no human hand can fit through it and it cannot be used as a lever to open doors and windows. It should be made of robust materials, have safety mechanisms to ensure only your cat can access it and be thermally insulated. You should also consider legal aspects and insurance coverage and have the flap installed professionally.