Bi-fold doors have become increasingly popular in recent years, adding a sleek, high-end feel to even the most traditional homes. As well as looking gorgeous, bifold doors can add value to your property, making them a popular alternative to classic French or hinged doors.

But, when it comes to your home and investing in a new set of doors, safety is perhaps the most important factor to consider. As such, a common question we get asked is “are bifold doors secure?”. The answer is yes, when purchased from a reputable company, installed and locked correctly, bifold doors are one of the most secure entry options for the rear of your home.

Continue reading as we outline the main security features of modern bifold doors.


Bifold door house setting

What makes bifold doors secure?

Contemporary bifold doors are manufactured with security in mind, meaning they have several features which make them a very safe investment for the home. These features include:

Multi-point locking systems

Most bifold doors are now fitted with secure, multi-point locking systems, which means they lock at several different points around the door frame, making it difficult for any intruder to be able to break in.
Multi-point locking systems in bi-folds are much more secure than standard doors, which typically only have one locking mechanism that can be drilled or forced open with minimal effort.

In-line tracking system

Another common feature of modern bifold doors, the in-line tracking system is hidden and means the doors are attached to a concealed gear within the bottom track. The gear is made from extremely robust hardened steel. Bifold door tracks will hold and guide the rollers while the glass panels open, whereas a standard door will simply use a hinge to operate.

The combination of multi-point locking and in-line tracking systems will make it almost impossible for an intruder to lift or remove the door. Anyone attempting to do so would need an advanced understanding of how doors and their locking systems work, as well as a complete set of tools.


As a legal requirement, all modern bifold doors are now manufactured with tempered or toughened safety glass at a minimum. Most homeowners will now also opt for double or triple glazing, which is exceptionally sturdy and difficult to break. Bifold doors also have internally beaded frames that will overlap with the glass panels, adding an extra layer of security.

As well as being secure, double and triple glazing also adds extra thermal insulation, helping to warm the home during the winter and keep it cooler in the summer, thus reducing energy costs!

Example of door installation

What type of lock can my bifold doors use?

As discussed, most modern bifold doors will use a secure multi-point locking system, but the system will require a lock to operate. There are several options to choose from when investing in a lock for your bifold doors.

Twinpoint locks

Perhaps the most common locking system for bifold doors, the twinpoint lock features a handle which, when turned, will operate the top and bottom of the door panel, keeping the doors in place. Doors can be secured in one easy movement, making this a simple, attractive solution.

Dropbolt locks

These are usually fixed at the top and bottom of the bifold doors and are utilised as an added protective measure, rather than the main lock for the bifold door.

Deadbolt locks

This locking system uses a cylinder lock and is operated using a key or an internal twist mechanism. They are fitted in most bifold doors as a standard and offer a good level of protection.

The extra layer of security that comes with purchasing bifold doors with a secure locking system will ensure that it is a worthwhile, long-term investment, whilst leaving you with total peace of mind that your home safe round-the-clock.



Thinking of purchasing secure bifold doors?

There is a reason why bifold doors are so popular – not only are they easy to install, look attractive and add value to the home, but, with the right security features fitted, they are also one of the best ways to keep the rear of the home secure.

If you are thinking of purchasing a set of gorgeous new bifold doors, always ensure you seek the advice of an expert manufacturer and installer. This way, you can rest assured that you are receiving a set of high-quality doors with all the correct security features included. At Bi-fold Door Factory, our doors regularly undergo thorough testing to ensure they are as secure as possible.

Bi-fold Door Factory is a leading UK supplier of Schuco and Cortizo bifold doors.

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