Internal Bi-fold Doors

Interior folding doors

Internal bi-fold doors are the perfect space-saving door solution and are available in a variety of styles to match our most popular door designs.

Space-saving internal doors

Taking up half the space of a regular internal door, without compromising on style, our bi-fold doors are ideal for ensuites, cupboards, and wardrobes. You also have the option to put two folding sets together as a pair, creating a convenient room divider.

Available in a selection of our most popular door designs, so that you can match door styles throughout your home.

Easy to install into existing frames, our internal bi-fold doors are supplied ready-hinged with pivots, brackets, a sliding track, and full instructions.

Click here to see our How to install a bi-fold door step-by-step guide.

Why choose interior folding doors?

Interior folding doors, also referred to as internal bi-fold doors, internal concertina doors, or half folding doors, are one of the smartest space-saving solutions available for homes. Unlike a standard hinged door that swings out into a room, a bi-fold door folds flat against the frame when open, reclaiming the floor space in front of it. That makes them particularly well-suited to any room where every centimetre counts.

Where do internal bi-folding doors work best?

The most common installations are ensuites, airing cupboards, under-stair storage and built-in wardrobes – essentially, anywhere a conventional door would clash with furniture, obstruct a tight corridor, or just feel impractical. They’re equally effective as a flexible room divider: pair two folding sets together and you can section off a larger space whilst keeping the option to open it right up when needed.

For anyone searching for space-saving internal doors, folding interior doors offer a clean, practical answer without compromising on how the finished result looks.

Fold flat internal bifold doors: practical and stylish

One of the most common questions we hear is whether internal concertina doors look good once fitted. The answer is yes, and the key is to choose a design that ties in with the other doors in your home. JB Kind’s internal bi-folding doors are available across a number of our most popular ranges, from cottage-style oak doors to white moulded doors and shaker internal door designs, so you can match the look throughout.

Each door folds completely flat when open, sitting neatly alongside the frame rather than protruding into the room. When closed, the panel lines and finish look just as considered as any standard internal door.

Interior Folding Doors FAQs

Are fold flat internal bi-fold doors easy to fit?

Ideal for en-suites, cupboards and wardrobes – JB Kind’s internal bi-fold doors are supplied ready hinged and come with everything you need to fit the door. Our How to fit a Bi-fold Internal Door video runs through the fitting stages, step-by-step.

How much room do you need for an internal bi-fold door?

JB Kind’s internal bi-folds, fit into a standard door opening size of 762mm (2’6”) – width, 1981mm (6’6”) – height. The actual bi-fold supplied is slightly smaller to allow space for the tracking but looks perfect once fitted.

How much space do internal bi-fold doors take up when open?

Internal bi-fold doors essentially fold in half when open, so they take up half the space of a standard door. Perfect for areas where space is tight.

What sizes do internal bi-fold doors come in?

JB Kind’s internal bi-fold doors come in the most popular UK standard door size: 1981mm(h) x 762mm(w) x 35mm(d).

What is the maximum height for internal bi-fold doors?

JB Kind’s interior folding doors are suitable for a maximum door opening height of 1981mm (6’6”).

Are interior folding doors top hung?

Yes, JB Kind’s internal bi-fold doors are hung from a track that is fixed above the door, steadied by a bracket at the bottom of the frame.

Do all internal concertina doors need / come with a track?

All of JB Kind’s internal bi-fold doors require a track to be fitted above the door. The track and fitting accessories are supplied with the door.

How do I install an internal bi-fold door?

Fitting instructions are supplied with the door but to make life a little easier, watch JB Kind’s step by step video guide How to fit a Bi-fold Internal Door.

Can an internal bi-fold door be fitted into a standard frame?

JB Kind’s internal bifolding doors can only be fitted into a frame with flush linings, i.e. without a door stop.

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