Making a mailbox completely theft-proof is impossible, but you can significantly reduce the risk. The combination of a well-thought-out insertion opening, a solid lock and smart placement determines how difficult it becomes to get your mail out. Below you can read which elements truly contribute to a theft-proof mailbox.
Theft from a letterbox usually happens in two ways: someone fishes with a hook or wire through the insertion opening, or someone forces the lock or the door. A theft-proof letterbox makes both more difficult. It starts with the insertion opening: the narrower and deeper it is, the harder it becomes to reach it with a tool.
A second element is the drop flap. With models that have a drop flap, the mail falls inside after insertion and cannot easily be pulled back up. That makes 'fishing' for envelopes a lot more difficult. The drop flap thus acts as a physical barrier between the outside and the collection compartment.
The lock also plays a role. A solid cylinder lock with good resistance to forcing slows down an attempt to break it open. Models with a combination lock also let you manage access without a loose key that can be copied or lost.
Even a sturdy anti-theft letterbox loses part of its value through unfortunate placement. A box that is clearly visible from the street and in the sight of passers-by deters. One that disappears behind a hedge or in a dark alcove gives a thief more peace of mind to do his work.
Also consider the height and accessibility. A box mounted too low is easier to reach with tools. A model that is firmly anchored in the wall or in a post is less easily pulled loose than a loose box. With larger models that have a parcel compartment, it is important that the parcel compartment can only be opened from the inside, so that a parcel cannot be taken from the outside.
A smart letterbox with a notification on opening or an app connection gives you more insight into what is happening. That does not prevent theft, but it makes suspicious situations noticeable more quickly. Such functions are a supplement to physical security, not a replacement.
It is important to be honest: no letterbox is completely theft-proof. A determined thief with enough time and heavy tools can tackle almost any model. The goal is therefore not invulnerability, but raising the threshold so that an attempt takes too long or attracts too much attention.
If you choose a model with a drop flap and a sturdy lock, you are already on the safer side of the spectrum. Add to that a clearly visible, firmly anchored placement and you have an anti-theft letterbox that in practice resists the most common attempts. For specific requirements regarding mail delivery or approval, we gladly refer to bpost or an authorised sales point.
The letterboxes shown on this page are a selection from the range. If you want to compare a model in terms of drop flap, combination lock or parcel compartment, you will find the precise specifications per version at an authorised sales point.
Further reading: Drop flap · Combination lock · Smart letterbox
A mailbox with a drop slot is better protected against theft than a simple model, because the mail cannot easily be retrieved after insertion. Yet there is no such thing as a 100% theft-resistant mailbox. Combine the drop slot with a sturdy lock and a clearly visible, anchored placement for the best result.
Frequently asked questions
Go through the selection guide or find an authorised point of sale in your area.