Alternative to the key lockbox for your holiday flat

For years, the key lockbox anchored to the entrance or a lamppost was the quick fix for holiday flat check-in. But what started as a handy trick has become a problem: neighbour complaints, security risks and, since 2025, far more legal pressure on holiday rentals. If you manage one or more apartments, you're probably already noticing it.

In this article we go over why the key lockbox has fallen behind and what alternatives you have for giving your guests access without leaving keys exposed on the street.

The real problems with the key lockbox

Beyond the initial convenience, the key lockbox drags along drawbacks that cost you dearly:

• Security. A visible box is a signal to anyone: there's a rental home here and a key in plain sight. Codes get shared, leaked, and many models can be opened with tools in seconds.
• Conflicts with neighbours. Boxes hung on the entrance, the railing or street furniture generate pushback in the community. And today that pushback has consequences (we'll see that now).
• Occupation of public space. Anchoring a box to a lamppost or sign means occupying public space without authorisation. More and more councils are removing and fining them.
• Image and wear. They take away professionalism, spoil the entrance, and keys get lost, copied or worn out from the coming and going.

The new legal context: the community has the final say

The framework changed significantly. Since the reform of the Horizontal Property Law (Organic Law 1/2025, in force since April 2025), dedicating a home to holiday rental requires the express backing of at least 3/5 (60%) of the owners' association. And associations can condition the activity by regulating specific aspects, among them the key protocol.

On top of this there's a general tightening: major cities are limiting or eliminating holiday rental licences, and since December 2024 the traveller register is mandatory (Royal Decree 933/2021, SES.Hospedajes platform), with data submission within 24 hours of check-in.

Translated to your day-to-day: a visible key lockbox is exactly the kind of thing that annoys neighbours and that a community might end up banning. The more discreet and "invisible" your access system, the less friction you'll have.

What alternatives are there

These are the most common options for replacing the lockbox, with their pros and cons:

• Smart lock. It removes the physical key at the door, but it usually depends on wifi, batteries and an app. If the connection fails or the battery runs out, the guest is locked out: a stressful, ill-timed incident.
• Key custody service. A local shop collects and hands over the keys. It's secure, but it adds a cost per operation and an extra trip for the guest.
• Automatic access from the intercom. Instead of hiding a key, the building entry is automated: when the guest rings the intercom, the entrance opens on its own. No box, no key on show and no dependence on an app.

The cleanest alternative: keyless building access

The most discreet way to solve access is to take the key out of the equation at the most problematic point: the entrance. With Keeppe, a small device is installed inside your intercom and opens the building door automatically when someone rings. No boxes on the façade, no codes written down and nothing hanging out on the street.

Its advantages over the key lockbox fit perfectly with the new context:

• No exposed keys or visible boxes to annoy the neighbours.
• No community permission to install it: it goes inside your private intercom, without touching communal elements.
• No app, no wifi and no batteries, so there are no incidents from connection or a dead battery.
• One-time payment, no fees or maintenance.

It's not a better-hidden key: it's not needing to hide any. The guest arrives, rings the intercom and gets in, naturally and without anyone knowing that flat is a rental.

Frequently asked questions

Are key lockboxes legal for holiday flats?

It depends on where and how. Anchoring one to street furniture (lampposts, signs) occupies public space without authorisation and can be removed and fined. Also, following the 2025 reform of the Horizontal Property Law, the owners' association can regulate or restrict the key protocol of holiday homes.

What alternative is there to the key lockbox?

The main ones are the smart lock, the key custody service and automatic building access from the intercom. The last one completely avoids leaving a key exposed and doesn't depend on wifi or an app.

Do I need community permission to automate access?

To install a system like Keeppe, no: it's placed inside your home's private intercom, without touching communal elements of the building.

And if the power goes out or the internet fails?

A system that doesn't depend on wifi or batteries keeps working, because it draws power from the building's general supply through the intercom. That way you avoid last-minute access incidents.

Does it work for several apartments?

Yes. It's especially useful for anyone managing several homes, because it removes trips to hand over or collect keys.

Want to give your guests access with no boxes or keys on the street? Discover how the alternative to the key lockbox works and leave neighbour complaints and security risks behind.