Cost of Installing Bifold Doors:
What You Need to Know Before You Buy
Bifold doors have become one of the most sought-after features in modern home design. Whether you're looking to transform your living space with natural light, create a seamless indoor-outdoor experience, or add value to your property, bifold doors offer beauty, practicality, and contemporary style. But one question homeowners consistently ask is: What is the real cost of installing bifold doors?
Understanding the cost involves more than just the sticker price of the doors themselves. From materials and sizes to glazing, finishes, and installation complexity, several elements can affect the final quote.
The Appeal of Bifold Doors
Bifold doors are characterised by their concertina-style folding panels that glide smoothly along a track to open up an entire wall of your home. These doors are ideal for kitchens, lounges, extensions, and garden rooms, helping to flood spaces with daylight and provide unobstructed views of the outdoors.
More than just a design feature, bifold doors offer practical advantages such as thermal insulation, security, and increased property value. With that in mind, it’s no surprise that thousands of homeowners are making the switch.
Average Bifold Door Installation Cost
While prices vary by supplier and project size, the average cost of installing bifold doors in the UK typically falls between £1,200 and £3,500 per metre, inclusive of doors, hardware, and installation. A 3-metre bifold door system can range from £3,000 to £8,000, depending on specifications and materials.
It’s important to request a detailed quote that itemises every part of the job: from door costs to labour, site preparation, structural modifications, and finishing touches. Some companies offer package deals, while others charge separately for installation.
Factors That Influence the Cost
Several variables can impact your total investment in bifold doors. These include:
1. Material Type
The material of your bifold doors has a major influence on cost:
- Aluminium bifold doors: Sleek, durable, and low maintenance. Prices are typically higher than uPVC but offer a premium finish and slimmer sightlines.
- uPVC bifold doors: Cost-effective and easy to maintain, but with bulkier frames and a shorter lifespan.
- Timber bifold doors: Warm and traditional in appearance, but require more upkeep and can be pricier.
Aluminium remains the most popular option for contemporary homes due to its blend of aesthetics and longevity.
2. Size and Number of Panels
More panels equal more cost. A standard 3-panel door is less expensive than a 5-panel system. Larger openings also require more structural reinforcement and labour.
3. Glazing Options
Double glazing is standard, but you might opt for triple glazing, solar control glass, or toughened safety glass-all of which increase the price. Decorative or textured glass can add to the cost, too.
4. Opening Configuration
Inward vs outward opening, traffic doors, and whether your system opens from the centre or one side-all these elements can impact hardware requirements and cost.
5. Hardware and Finishes
Handles, hinges, colour finishes (e.g., anthracite grey, black, dual-colour), and trickle vents add value but also increase the quote.
6. Installation Complexity
Installing bifold doors is not always straightforward. Costs rise if structural openings need to be modified, steel lintels installed, or ground levels adjusted for flush thresholds.
Bifold Door Installation: What to Expect
A professional bifold door installation typically begins with a site survey and accurate measurements to ensure a perfect fit.
The next step involves removing any existing doors or walls, followed by preparing the opening, which may require the addition of RSJs or lintels for structural support. Once the opening is ready, the installation team fits the door frame and panels, ensuring everything is aligned correctly. Sealing the edges, making precise adjustments, and finishing the surrounding trim complete the process.
Most standard installations are finished within one to two days, though larger or more complex projects may require additional time.
Can You Install Bifold Doors Yourself?
Technically, yes, but it's not recommended unless you're highly experienced. The precision required for alignment, waterproofing, and load support is best left to professionals. A poor installation can void your warranty and result in draughts, leaks, or sticking doors.

Always ensure your installer is certified, insured, and backed by a workmanship guarantee.
Additional Costs to Keep in Mind
Beyond the doors and installation, you might encounter extra costs such as:
- Planning permission or building regulations (especially if altering a load-bearing wall)
- Steel supports or RSJs
- Interior plastering or external rendering
- Upgraded locks or security features
- Electric blinds or insect screens
Request a full breakdown before work begins to avoid surprises.
Are Bifold Doors Worth the Investment?
Yes-particularly in open-plan homes or where garden views are a priority, bifold doors are well worth the investment. They maximise natural light, improve ventilation, and significantly
enhance the value and aesthetic appeal of a property. These doors also support an indoor-outdoor lifestyle, seamlessly connecting your home with outdoor spaces. When fitted
with thermally broken aluminium frames, they contribute to long-term energy savings by improving insulation. When carefully selected and professionally installed, bifold doors deliver substantial returns in comfort, style, and resale potential.
Tips for Keeping Costs Down
To make your investment go further:
- Choose a reputable local supplier to reduce delivery and labour costs.
- Buy during off-peak seasons when installers may offer discounts.
- Opt for standard colours rather than custom finishes.
- Limit glazing upgrades unless necessary.
- Maintain your doors regularly to avoid costly repairs down the line.
Why Work with The Great Big Window Company?
As one of the region’s most trusted suppliers of bifold doors UK, we offer premium products,
expert installation, and friendly guidance every step of the way. Our team is on hand to help
you choose the best style and configuration to suit your home, budget, and design vision.
We offer a full turnkey service-from consultation and measurements to fitting and aftercare-ensuring your experience is seamless and stress-free.
The Best Bifold Doors
The cost of installing bifold doors varies, but the value they add to your home is clear. From enhancing views and lighting to creating open-plan magic, bifold doors are a functional and stylish choice. By understanding what drives costs and working with a trusted installer, you can make an informed decision that suits your budget and enhances your lifestyle. Contact us today for the best work done.
