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Internal Bifold Doors

Internal Bifold Doors

Transform your living space with our premium internal bifold doors, designed to fold seamlessly back to the frame and maximise your usable floor plan. You receive an engineered timber construction that delivers exceptional structural stability, long-term smooth operation, and excellent thermal efficiency when you choose Climadoor. Our high-quality concertina systems provide the perfect balance of open-plan versatility and acoustic control, helping you create a brighter, more adaptable home.

From £87.00 to £1,299.00

Unsure which Roomfold option is best for you? Why not compare the full specification to find the right door for your next project.

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The Climadoor Internal Bifold Doors Range

If you're looking to update your living space with new internal doors, then internal bifold doors could be the ones for you. Perfect for maximising natural light between rooms, they're a practical, space saving option that gives you the flexibility to configure your living space exactly how you want to.

Unlike single leaf internal doors, an internal bi fold door can create an open plan feel or close off space when you need to. These interior doors often feature large glass panels so you can increase light flow throughout your home. This makes them ideal for the living room, dining room and kitchen.

Internal Folding Doors To Suit You

Want to know more about our range? We offer 3 main types of internal folding doors - the Roomfold Standard, the Roomfold Deluxe, and the Roomfold Grande.

The Roomfold Standard Range

The Roomfold Standard range is a top-hung system with no base track or threshold, and is supplied with; doors, unfinished frame as standard, head track, running gear and hinges. It does however exclude handle/latch and flush bolts, allowing you to choose your own to suit your tastes. This room divider system allows through flooring to be installed with no break.

The Roomfold Deluxe Range

The Roomfold Deluxe range is also a top-hung internal bifold door system, but there is a much wider variety of panel sizes and width options available. These internal bi-folding door sets are offered complete with; finished frame; head track; low-level base track and threshold; stainless steel hinges and hinge handles and brushed stainless steel drop bolts. The only item you need to purchase is the handle/latch, where most people want to match existing ironmongery.

The Roomfold Grande Range

The Grande range of interior bifold doors includes the benefits of both the standard and the deluxe ranges, whilst being available in a huge range of sizes and is designed with no base tracks. The Grande range of room dividers is ideal for installing over existing floor coverings like tiling or parquet flooring.

The French Folding Range

French folding doors are the perfect choice if you want to enjoy the benefits of both traditional internal French doors and bifold doors in your home. With a French folding door, you can either open them in the middle, like a French door, or use the sliders to fold them back like a bifold door.

Once these internal bi fold doors are installed the low-level threshold aligns with most existing finished floor levels so you have little or no step, and these sets offer a higher level of rigidity when closed in a screen.

An added benefit of the Roomfold Deluxe over most other standard internal folding door systems is that door panels up to 762mm wide can be used giving you large glass panes, and large opening doors.

Slimline bifold doors: precision engineering for compact spaces

Our slimline bifold doors offer an exceptional space-saving solution for smaller rooms, small bathrooms, and compact utilities where traditional door swings restrict floor space.

Our slimline range features a high-density, engineered core that provides superior structural integrity and acoustic insulation within a significantly narrower frame. This advanced construction prevents the warping commonly found in standard lightweight doors, ensuring the panels glide smoothly along the top-hung track system. The minimized stack footprint allows you to reclaim valuable square footage near tight walkways, delivering premium performance without compromising on contemporary style.

Styles & Finishes

It's important to choose new internal bifold doors to suit your décor, so we have a range of styles and finishes available.

Prefinished

These high quality doors are supplied ready to hang, just add door furniture. Fully finished internal bi folding doors have a coating applied in the factory so they don't require any paint or stain application on-site.

White primed

Our white primed internal bifold doors provide an exceptional, smooth base coat that reduces your on-site preparation time. We apply a premium double-coat primer in the factory, meaning you only need to apply a single final topcoat of your chosen paint to achieve a flawless, professional finish. The engineered solid core construction provides excellent stability and prevents any moisture absorption during painting, ensuring the door panels maintain their precise dimensions.

Unfinished

Ready to finish with your own paint or stain. Choose unfinished bifold doors if you have a unique colour in mind or want to match existing doors, furniture or windows. Add a stain to unfinished doors to make the most of the natural wood finish.

Glazing Options

You can also choose internal bifold doors with glazed or solid panels. We stock internal bifold door sets with clear and frosted glazing to give you the level of privacy you need.

Sizing

If you have any specific requirements on size, please don’t hesitate to call as most of our sets are joinery products meaning that they can be modified in height and width. These products should be installed by a joiner or professional DIYer to achieve the best product performance. Please ensure any unfinished internal folding doors are suitably stored and decorated before installation.

Get the Look - Complete Your Home

If you'd like to continue the bifold look throughout your whole home, don't forget to check out the rest of our bifold doors range. Our huge selection of external bifold doors are a great choice when you want to bring your inside and outside living space together and create a seamless transition between the two.

Internal bifold doors: why choose Climadoor?

Engineered for versatility

Our glass internal bifold doors adapt easily to any room configuration. The innovative folding mechanism allows you to open up communal spaces or create quiet, private areas instantly, maximising your home's usable floor plan.

Expansive design options

The internal bifold doors range provides complete aesthetic flexibility to match your interior design. You can select from frosted or clear glass, unfinished or prefinished surfaces, and professional painted options, allowing you to maintain visual consistency throughout your property.

Premium construction quality

We engineer our concertina doors for long-term stability and performance. Each door features a robust core and premium veneers that resist warping and twisting, ensuring smooth operation and a solid feel every time you open them.

Streamlined installation

We supply our interior bifold doors with the necessary track hardware and comprehensive components to simplify the fitting process. The precise manufacturing ensures a straightforward installation that achieves a perfect, flush fit without requiring specialist carpentry skills.

Questions about Internal Bifold Doors

What do internal bifold doors cost?

Our range of interior folding doors starts from under £200. The size, material, finish and number of glazed panels will impact on the door price. 

What is the average cost to install a bifold door?

The average installation cost for an internal bifold door track and panel system typically ranges from £200 to £500, but you will need to get a quote to match your requirements. This cost depends on the structural opening size and whether the lintel requires reinforcing to support a top-hung track system. Pre-assembled kits help minimise these installation expenses.

How long do internal bifolding doors last?

A premium internal bifold door system typically lasts between 15 and 25 years. The exact lifespan depends heavily on the core construction, material quality, and the durability of the track hardware. Choosing engineered timber with stable veneers ensures the panels resist warping, dropping, or misaligning over decades of regular operation.

How do you install bifold doors?

We always recommend using a professional fitter to ensure a perfect structural fit and completely smooth operation over time. A professional installer possesses the precise tools required to level the top-hung track perfectly, guaranteeing the engineered door panels slide and fold without any resistance. Our internal bifold door systems arrive with comprehensive tracking hardware and clear structural instructions for straightforward assembly.

What trend is replacing bifold interior doors?

Sliding pocket doors, french doors and sliding barn doors increasingly replace traditional internal bifold doors. Homeowners choose these alternatives because they feature narrower frame profiles and larger individual glass panes. This design maximises natural light transfer between rooms and offers unobstructed views without requiring space for folded door panels to stack.

Do bifold doors add value to a house?

Yes. High-quality internal bifold doors add measurable value to a property because they improve layout flexibility and maximise natural light. Buyers value the ability to open up communal spaces or isolate quiet areas instantly. Investing in engineered timber variants provides the structural durability that justifies a higher property valuation.

What is the best replacement for bifold doors?

Internal sliding doors or a pair of French doors with glazed side panels represent the best alternatives. Sliding systems provide uninterrupted glass performance with minimal framing interference. If you prefer a classic aesthetic with a wide opening capacity, engineered French doors deliver excellent acoustic insulation and structural efficiency.

Are bifold doors still fashionable?

Yes. Internal bifold doors remain highly popular, though consumer preferences have evolved toward premium, ultra-slim profiles and contemporary factory-finished styles like black and anthracite grey. Interior designers continue to favour them for their unique ability to open up an entire wall space completely, a functional benefit that standard doors cannot replicate.

Should bifolds open in or out?

Choosing whether your internal doors stack into one room or the other depends entirely on your available floor space and furniture layout. Most configurations stack into the larger room to preserve valuable floor space in the smaller area. You should choose the direction that avoids obstructing high-traffic walkways.

Latest News & Advice

Concertina Doors for Small Spaces

Concertina Doors for Small Spaces

If you're looking for a smart internal door solution for a small space, then concertina doors are a smart choice.

How to Measure Up for Internal Bifold Doors

How to Measure Up for Internal Bifold Doors

Knowing what size interior folding doors you need and how exactly to measure for them can be a tricky job. Our handy guide on how to measure up should help.

How to Remove Internal Bifold Doors

How to Remove Internal Bifold Doors

If you're not quite sure how to remove an internal bifold door, here we offer up some handy tips to help you get the job done.

Where Do You Put the Handle on Internal Bifold Doors?

Where Do You Put the Handle on Internal Bifold Doors?

Handle placement is very important when it comes to the longevity of your internal bifold doors. Check out our handy guide for more information about fitting.

How Do Internal Bifold Doors Work?

How Do Internal Bifold Doors Work?

In this nifty guide we answer a few of the most commonly asked questions, giving you a better insight into internal bi-fold doors and how they work.

How To Fit An Architrave Around your Internal Door

How To Fit An Architrave Around your Internal Door

An expert guide with handy tips on how to replace and add a new architrave to your interior doors like a pro.

How To Fit & Adjust Your Internal Doors

How To Fit & Adjust Your Internal Doors

A comprehensive guide with useful tips on how to fit your internal doors. Including information on how to adjust the door's size to fit your frame.

How To Choose Internal Doors For Your Home

How To Choose Internal Doors For Your Home

Looking to replace the doors within your home. We have a thorough guide that discusses the different designs, sizes and finishes.

How To Fix Common Internal French Folding Door Problems

How To Fix Common Internal French Folding Door Problems

All doors have in common similar problems - squeaky hinges, doors swinging closed too fast, soundproofing issues - we have put together a detailed guide however explaining what you can do to fix these issues.

Child Proofing Your Folding French Doors

Child Proofing Your Folding French Doors

Ensure the doors inside your home are safe with our childproofing guide. We have a wide range of tips and tricks to ensure no trapped fingers.

What Is The Difference Between Internal French Doors, Sliding Doors and Internal Bifold Doors?

What Is The Difference Between Internal French Doors, Sliding Doors and Internal Bifold Doors?

Looking to upgrade the doors in your home and not sure which type to choose? Our guide looks at the differences between internal French doors, sliding doors and bifold doors.

How to Install Internal Bifold Doors on Carpet Flooring

How to Install Internal Bifold Doors on Carpet Flooring

If you want to know how to fit bifold doors over a carpet then following this detailed guide from Climadoor should see you through the process, from start to finish.

How to Install Bifold Doors on Laminate Flooring

How to Install Bifold Doors on Laminate Flooring

A step by step guide on how to install bifold doors on laminate flooring from b-fold door specialists Climadoor. This useful guide discusses how you can you fit your doors without damaging your laminate flooring.

Internal Bifold Doors Size & Buying Guide

Internal Bifold Doors Size & Buying Guide

Struggling to choose your internal bifold doors or just uncertain whether they are the right choice for your home? Our buying guide as all the information you need.

How to Paint an Internal Bifold Door

How to Paint an Internal Bifold Door

A step by step guide to painting your internal bifold doors from experts Climadoor. You will find a list of things you will need as well as thorough instructions to help create that perfect interior finish.

How to Fit an Internal Bifold Door

How to Fit an Internal Bifold Door

A step by step guide to measuring and installing your new internal bifold doors. Our easy to follow advice will help ensure you fit your doors properly.

Internal Bifold Door Glossary: The Jargon Explained

Internal Bifold Door Glossary: The Jargon Explained

What's the jargon behind Internal Bifold Doors? We decipher the glossary and explain the terminology.

The Difference Between Finished & Unfinished Doors: Internal Bifolds

The Difference Between Finished & Unfinished Doors: Internal Bifolds

This helpful guide will help you decide whether a finished or unfinished bifold door is right for your home.

How to Clean an Internal Bifold Door

How to Clean an Internal Bifold Door

A selection of important cleaning and maintenance tips for your internal bifold doors, from door experts Climadoor. Advice on looking after your tracks and keeping your glass smear free.

Why Choose Us

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Specialist suppliers of high quality, internal and external folding and french doors. Buy direct for the best price.

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Delivery to most mainland UK postcodes within 3-7 working days. Free delivery on orders over £750.

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All of our doors and hardware are guaranteed for ten years against the occurrence of manufacturing faults.

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