Alunet Bi-fold Doors
- Exceptional functionality with smooth operation
- Excellent insulation reducing energy costs
- Hardware selections for every style and need
Our aluminium bi-fold doors are built using robust modern materials and carefully considered design, giving homeowners a practical door range that performs beautifully year after year.
More natural light: The strength of aluminium enables slimmer metal frames and wider expanses of glass, letting in more natural light and external views, great for mental and physical wellbeing.
Smooth everyday operation:Precision-engineered rollers and handles allow each door leaf to fold neatly and glide smoothly, creating a seamless connection between inside and outside.
Thermally broken frames: Integrated thermal break technology helps reduce heat transfer, supporting great energy efficiency standards in all seasons.
Low maintenance finish: Aluminium needs little upkeep. Just an occasional wipe down and clearing tracks with a small brush will keep them at their best, giving you peace of mind.
Our aluminium bi-fold doors are available in an extensive range of colours to perfectly complement your property. From classic white and anthracite grey to bespoke RAL colours, we offer options to suit traditional and contemporary homes.
Anthracite Grey
Black
Brown
White
Dark Grey
Dark Blue
Cream
Pebble Grey
All our bi-fold doors come with high-quality double glazing as standard, with triple glazing available for maximum thermal efficiency. Choose from clear, tinted, or obscured glass depending on your requirements, with the number of panels customised to your available space and design preferences.
Experience our aluminium bi-fold doors first-hand at either of our Yorkshire showrooms. Our design team is on hand to discuss your project and help you choose the right product for your home.
Explore our portfolio of aluminium bi-fold door installations across the North of England. Our range of projects demonstrates the versatility of our door range, from traditional properties to contemporary new builds with stunning external views.
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Below are some of the most common questions homeowners ask when choosing bi-fold doors for their living space in Yorkshire.
Bi-folding DoorsYes. Our bifold doors include advanced security features such as multipoint locking, secure frames and a robust master handle. We are proud to be accredited Certass installers giving you confidence that our installations exceed industry standards.
Yes. A discreet passenger door option allows easy daily access without opening the full door set, perfect for convenience if dashing to the garden. They are also available with low-threshold options for accessibility and ease of use.
Low level thresholds improve ease of access for wheelchair users, while standard thresholds provide better weather protection externally.
Yes. Visit our Huddersfield or Leeds showroom to explore our full range on top of our beautiful bi-folds! You can also see other products of the highest quality, including aluminium windows, entrance doors and other styles in person (such as French doors, sliding patio doors and much more).
Yes. Our aluminium doors can be tailored with the number of folding panes to suit your available space and create a seamless link to your garden. You can also choose different directions for the product to open (left to right, or right to left), whether they fold internally or externally, and we communicate throughout the development of the product.
Very secure. Robust materials, Toughened safety glazing, quality finishes, high security lock cylinders, and multi-point locking mechanisms throughout the door frame, ensure our products are resilient and secure.
Little maintenance is required. Aluminium resists rot, while quad rollers and durable handles ensure smooth operation and long-lasting performance with maximum light transference for years to come.
Aluminium offers exceptional strength with slim profiles, allowing for light and easy operation, as well as those famous large glass panes (no bulky frames obstructing your garden views)! The malleability of aluminium gives great scope for bespoke designs that suit both modern homes and traditional properties.
It is also highly durable and weather resistant, delivering long-term performance, efficient glass support and an extensive guarantee for complete peace of mind.
Each of our aluminium bi-fold doors are manufactured in-house at our Yorkshire facility, giving us complete control over quality testing and performance.
Because everything is bespoke, our design team can offer a host of personalisation options, from colours to configurations. After you’ve chosen the right number of panels and colour, our experienced installers then fit your doors precisely, helping achieve excellent thermal efficiency once installed.
Our aluminium bi-fold doors are designed to perform in Yorkshire’s changing climate. Thermally broken frames work alongside efficient glass to reduce heat transfer, helping maintain maximum warmth inside your home during colder months, so you can comfortably relax inside and enjoy the views whatever the weather.
Double glazing comes as standard, with triple glazing available for homeowners wanting improved insulation. This combination supports strong energy efficiency, reduces draughts and helps keep internal surfaces comfortable all year round.
Discover our full range of high-quality, British-manufactured windows and doors. Our brochure details our bi-folding doors, sliding doors, windows, and more, all designed for superior aesthetics and energy efficiency.
Download our brochure
With two showrooms in Huddersfield and Leeds, we offer a wide range of styles to suit new windows and doors, as well as extension projects.
Proudly made in Yorkshire for superior quality
Survey, manufacture and installation all under one roof
One point of contact throughout your journey
Complete peace of mind on every product