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Architectural aluminium doors and windows

Our aluminium bifold doors are a top choice for aspirational UK homeowners in Letchworth, aiming to refine their home’s appearance. With these doors, glazing installers in Letchworth can satisfy the growing demand for innovative aluminium products in luxury property renovations. As a bespoke offering, our aluminium bifold doors allow installers to deliver tailor-made solutions, perfectly fitting each unique home in Letchworth

Key Features

Slimline system

Sleek and slim sightlines for maximized glazed areas and stunning exterior views.

Innovative design

Folding door leafs open out wide to optimise floor-space and link inside and out.

Energy efficiency

Designed to easily exceed current thermal performance regulations.

Easy roller opening

Functioning on a smooth sliding roller track system for effortless opening every time.

Anti-finger trap gaskets

Built-in safety precautions to prevent any accidents from occurring.

Discreet Ventilation

Flush trickle vents provide subtle but effective ventilation.

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  • Finishes & Materials
  • Thermal Efficiency
  • Accessories
  • Safety & Security
  • Technical/Downloads

Finishes & Materials

RAL Colour Picker


All Aston Architectural Aluminium bifold doors are finished in a durable powder-coat paint. White, grey, and black are classic colour options while for a unique appearance you can offer your customers any of over 200 RAL colours. All powder-coat finishes are extremely low-maintenance and come with a 20-year guarantee.

Obsidian Black
Frost White
Velour White
Province Green
Antique Green
Amazon Green
Desert Grey
Antique Grey
Platinum Grey
Olive Green
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Aluminium & Materials

At Aston Architectural Aluminium, serving the Letchworth area, we prioritise premium-quality aluminium. Known for its inherent strength, weather resistance, and thermal efficiency, aluminium is versatile and aligns with numerous product designs and specifications, ideal for projects around Letchworth.

Thermal Efficiency

Bifold Doors Locking Mechanism

Thermal performance

All Aston Architectural Aluminium bifold doors have been tested to ensure that they meet current building regulations for thermal performance. Our aluminium bifold doors can help to:

  • Reduce heat loss
  • Protect against condensation
  • Enhance energy efficiency
  • Lower energy usage
  • Promote sustainability


Door Accessories


Our aluminium bifold doors are available with a selection of hard-wearing and attractive accessories. When you want to offer your customers the best in bespoke customisation, it’s important to use the best accessories to complement your aluminium doors and windows. Our bifold doors can be specified with the following accessories.

  • High strength Bogie rollers
  • Stainless steel track system
  • Choice of contemporary and traditional handles
  • Powerful door magnets
  • Low threshold options

Safety & Security

Bifold Doors Locking Mechanism

Safety & security

All our aluminium doors and windows are designed with safety and security in mind. Alongside our anti-finger trap gaskets, our aluminium bifold doors provide the following protection.

  • High security multi-point locking systems
  • Strong and secure frames
  • Robust hinges
  • Heavy duty shoot bolts
  • Magnetic door keeps


Technical & downloads

Click on the links to download all the essential technical product documentation. Visit our download page to browse the technical details of all our aluminium doors and windows.

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AAA - Data Sheet - AB-60

AAA Guarantee Cover


AAA Cleaning Cover

Powder Coating Cleaning

Want to Know More About Aluminium Bifold Doors?

Considering aluminium bifold doors for your next project? Aston Architectural Aluminium offers a complete aluminium bifold door service for trade customers. Here are some of the most common questions we answer about our high-quality bifold doors:

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What types of doors does Aston Architectural Aluminium specialise in?

Aston Architectural Aluminium specialises in designing and manufacturing aluminium bifold doors.

Who are Aston Architectural Aluminium's main customers?

Aston Architectural Aluminium mainly sells their aluminium bifold doors to trade customers like glazing installers who work on luxury property renovations.

Why are aluminium bifold doors a popular product choice?

Aluminium bifold doors are popular because they can enhance a home's performance and appearance in a stylish way. Homeowners often choose them to add value and aesthetic appeal to their properties.

What makes Aston Architectural Aluminium's bifold doors bespoke?

Aston Architectural Aluminium's aluminium bifold doors are completely bespoke as they are customisable in size, configuration and design to perfectly match each customer's requirements.

What materials does Aston Architectural Aluminium use to manufacture their bifold doors?

Aston Architectural Aluminium uses only premium quality aluminium to manufacture their bifold doors. Aluminium is strong, weather-resistant, thermally efficient and versatile.

Could you please inform me about the areas in Hertfordshire where your bifold doors are available for installation?

Customise Aluminium Bifold Doors in Letchworth: Tailor the Ideal Aluminium Bi Fold Door Solution for Your Local Customers

With a variety of sizes and configurations, we enable installers in Letchworth to customise aluminium bifold doors to suit their customer’s space and requirements perfectly. As specialists in aluminium bifold door materials, we empower Letchworth’s installers to provide the ideal aluminium bifold door solution.

Get a Quote on Custom Aluminium Bifold Doors