Why invest in custom bifold doors?

Simon Edward • 15 September 2025

Custom-built bi-fold doors – are they worth it? Discover 6 ways these nifty doors can add value to your home.

Custom-built bi-fold doors – are they worth it? Discover 6 ways these nifty doors can add value to your home.

Bifold doors go by many names. You might see them marketed as "folding sliding doors", "concertina doors", "interior folding doors" or, when used as room partitions, "sliding room dividers".


But whatever you call them, bifold doors can offer a touch of class to any home, snugly fitting into irregular openings and connecting your home and garden.


And when they're custom-built, they can be tailored to your personal requirements – from materials to colour schemes, from the way the doors are configured to hinges, handles and other hardware.


That's all well and good, you say, but aren't they a little on the expensive side? For many people, the answer is yes – but in our opinion, it's an investment well worth making. Here are six reasons why.


1. They fit perfectly

Custom bifold doors are custom-built. That means they're built for your home, not anyone else's.


Above all, this means they fit perfectly into any aperture. But this perfect fit enhances their performance, too.

Glass doors aren't just there to look through, after all. They're also there to increase insulation, security and noise reduction. All of these are enhanced by a snug, custom-built fit. This is especially true if you go for a model with modern materials.


Whatever opening you're trying to fill, custom bifold doors can do the job – and then some.


2. They enhance natural light

It would be hard to overstate the importance of natural light in the home. Yes, electric light can create mood – but during the day, is there any substitute for natural light pouring through the windows?


This is where custom bifold doors come into their own. They let the light come flooding in through clear, sturdy glass panels. This can help create a warm, welcoming space for you, your family and your guests.


This isn't just a question of aesthetics, however. More natural light means less electric light – and less electric light means lower energy bills. It's one of the key ways that bifold doors offer a healthy return on investment.


3. They connect the indoors with the outdoors

Do you want to provide seamless access between your home and your garden? There are many ways to achieve this – and custom-built bifold doors can play a pivotal role.


There are two sides to this. First, you get an almost uninterrupted view of your garden from inside. And secondly, you can fling open those doors and let the fresh air in.


It's a fantastic way to increase your home's homeliness and make the back of your house a perfect pottering spot.

Of course, bifold doors don't have to open out onto the garden. They can also be used as room partitions. In either case, the result is the same: more space and more freedom of movement in your home.


4. They're secure

When investing in doors and windows, security is a crucial consideration. Luckily for you, modern bifold doors are built to provide high levels of security.


This is mainly because new models are fitted with multi-point locking systems. These lock the doors at the top, middle and bottom of the frame.


On top of this, modern units are made with toughened or laminated glass. These are exceptionally hard to break, providing peace of mind as well as peaceful views.


5. They can add value to your property

Custom bifold doors are an investment – and we mean this both figuratively and literally.

Figuratively, because they'll give your home a glow-up you'll enjoy for years to come. Literally, because it's a classic case of a home improvement adding to the property's resale value.


Leaving aside their aesthetic appeal, modern bifold doors may call out to a buyer looking for an energy-efficient home. And at a time when sustainability is climbing many people's agendas, this is a case of when rather than if.


6. They come in a range of styles

Custom bifold doors aren't only custom-sized. They can also be manufactured in a wide range of materials and finishes, and with a wide range of door furniture.


The frames can be made from timber, aluminium or uPVC, each with its own look and performance. They can be painted any colour under the sun, matching your home's unique aesthetic.


Then there's the question of door furniture. A good door and window supplier (hello!) will have an array of handles and hinges in stock. These can help you find the bifold doors that reflect your personality.


At the end of the day, custom bifold doors can add character and value to any home – and they can be customised to make a perfect fit.

Frequently asked questions



  • How much do bifolding doors cost?

    The cost of bifold doors varies from supplier to supplier. If you're in Yorkshire and you're looking for a quick, competitive quote, get in touch with us today.


  • Can bifold doors be fire-rated?

    No, bifold doors can't be fire-rated. This is because fire doors are built to close on their own. They have a special seal which expands at a certain temperature. Bifold doors don't have these functionalities, and the gaps between the panels stop them from fully sealing.


  • Can bifold doors open both ways?

    Yes, bifold doors can open both inwards and outwards. They consist of multiple panels. These fold together like a concertina. The doors slide along tracks and can be stacked on either side of the opening.


  • Can bifold doors go around corners?

    Yes, bifold doors can be built to go around corners. They can also be manufactured with floating corner posts. These create a seamless, uninterrupted view of the garden.


At Calder Windows, we supply and fit bifold doors to customers in Yorkshire – and we've been doing so for more than 30 years. Are you in the market for a modern, custom-built set? We'd love to discuss your options with you. Get in touch online today or call 01924 897 040 to speak to our team.


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