So, What Are Aluminium Bifold Doors?
If you’re planning a home renovation, extension, or garden upgrade, you may have asked yourself: what are aluminium bifold doors? These stylish, space-saving doors are increasingly popular across the UK for their modern look, functionality, and ability to create seamless indoor-outdoor living spaces.
In this guide, we’ll explain exactly what aluminium bifold doors are, how they work, where they’re best used, and why so many homeowners are choosing them over traditional patio doors.
What Exactly Are Aluminium Bifold Doors?
Aluminium bifold doors are made up of multiple door panels that are hinged together and fold open along a track. Unlike standard patio or French doors, which open on hinges or slide behind a fixed panel, bifold doors collapse neatly to one side, opening up an entire wall space.
The aluminium frame provides a slim, strong structure that supports large glass panels—maximising natural light while maintaining excellent structural integrity.
You can choose between configurations that fold to the left, right, or split centrally, depending on the space and layout of your property.
Explore our aluminium bifold door range →
Key Features of Aluminium Bifold Doors
- Slim Sightlines – The aluminium profile allows for a minimal frame and maximum glazing
- Wide Openings – Doors fold fully to one side, connecting interior and exterior spaces
- Thermally Broken Frames – Improve insulation and help meet energy efficiency standards
- Secure Locking Systems – Multi-point locking for added peace of mind
- Custom Configurations – Choose the number of panels, opening direction, and finishes
These features make them an attractive option for homeowners who want modern functionality without compromising on design.
Where Are They Best Used?
Aluminium bifold doors are ideal for a range of property types, including:
- Rear extensions – Create an uninterrupted flow between your kitchen or living area and the garden
- Open-plan renovations – Bring in natural light and give flexible control over open or closed layouts
- Garden rooms or studios – Allow for full-height, light-filled openings
- Commercial spaces – Great for cafés, showrooms, or offices with outdoor access
They’re especially well-suited to homes with patios, decking, or outdoor entertaining areas.
Why Choose Aluminium Over uPVC or Timber?
Aluminium is one of the most durable and low-maintenance materials available for bifold doors. Here’s why many homeowners choose it over alternatives:
- Durability – Aluminium does not warp, crack, or swell with moisture
- Strength – Allows for larger glazing panels without compromising security
- Low Maintenance – Requires occasional cleaning but no painting or sealing
- Sleek Aesthetic – Fits perfectly with contemporary architecture and clean, modern lines
- Long-Term Performance – Coated finishes protect against corrosion and fading
These qualities make aluminium an ideal long-term investment, particularly in properties aiming for a premium finish.
Energy Efficiency and Weather Protection
Modern aluminium bifold doors are engineered for thermal performance. Key energy-efficient features include:
- Double or triple glazing with low-emissivity coatings
- Thermal breaks within the aluminium frame
- Weather-resistant seals and insulated thresholds
- Optional trickle vents for controlled airflow
When choosing a product, look for A-rated doors tested by the BFRC to ensure compliance with UK energy standards.
Compliance and Installation
Like all glazed doors in the UK, bifold installations must comply with Building Regulations, particularly around energy efficiency, safety glazing, and ventilation. It’s essential to work with a FENSA-registered installer to ensure your project is legal and properly certified.
Use the FENSA installer search tool to check if your installer is registered. For further guidance on compliance, visit the LABC.
Can Aluminium Bifold Doors Be Customised?
Yes—most high-quality bifold door systems offer a wide range of custom options, including:
- Number of panels (usually between 2–7)
- Choice of opening direction
- Handle and hardware finishes
- RAL colours including black, white, grey, and dual-colour options
- Integrated blinds for privacy and light control
This flexibility means you can tailor your doors to suit your property layout and design style.
Do They Pair Well With Other Glazing Products?
Many homeowners choose to install aluminium bifold doors alongside other modern glazing solutions for a cohesive appearance. You might also consider:
- Casement windows – Simple, functional windows for kitchens and bedrooms
- Flush windows – Modern, streamlined frames that complement bifold doors
- Composite entrance doors – Stylish, insulated doors to match the colour and finish of your bifolds
- Aluminium patio sliding doors – A good alternative if bifolds aren’t suitable due to space limitations
Matching finishes and frame profiles help maintain a unified appearance across your home.
Why Choose Skyway Windows for Your Aluminium Bifold Doors?
At Skyway Windows, we supply and install high-quality aluminium bifold doors across Surrey, offering bespoke configurations, expert advice, and professional service from start to finish. Our doors feature:
- Slimline frames with large glazed panels
- Secure multi-point locking systems
- A-rated energy efficiency
- Fully FENSA-compliant installations
- A wide choice of colours and finishes
If you’re planning a renovation or extension and want to upgrade your space with modern, practical doors, contact us here to request a quote or consultation.