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Best Aluminium Bifold Doors for All Home Types in 2025

March 4, 2025

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Looking to transform your living space with aluminium bifold doors but not sure which style is right for your home? Bifold door sets offer a contemporary look, fight against heat loss and energy consumption and provide a seamless connection between spaces. They’re continuing to be a popular choice for UK homeowners.

It’s important to understand which type will work best for your specific needs. We have written this guide to walk you through the three main types of bifold doors available and help you find the perfect match for your property.

What is a Bifold Door?

A bifold door is a type of door comprising a number of panels that fold against each other. Unlike sliding or hinged doors, they fold neatly to one or both sides of the opening. When open, they create a wide, unobstructed space. When closed, they provide a seamless glass wall that maximises natural light.

Understanding Your Bifold Door Options

At North East Bifolds, we offer three types of aluminium bifold doors, each designed to meet different needs and with varying styles. They all offer a range of benefits, and before making your choice, you should understand each option.

Internal Bifold Doors

Internal bifold doors have revolutionised how homeowners look at indoor spaces. These versatile doors have become a popular, modern way to create flexible living spaces.

In period properties, they introduce modern design and functionality. For contemporary homes, they provide an elegant solution for open plan living, allowing spaces to be quickly divided when needed. For remote working, they can create a dynamic office that can adapt to changing needs throughout the day.

These internal doors maximise natural light between spaces, thanks to their large glass panels and slim aluminium frames. They stack neatly to one side when open, requiring minimal space and creating wide openings. When closed, they act as stylish room dividers while still allowing light to flow through, preventing spaces from feeling dark or cramped.

Key features that make internal bifolds particularly appealing include:

  • Smooth operation with quality hinges and rollers
  • Slim sightlines for maximum glass area
  • Multiple configuration options for different spaces
  • Easy maintenance and long-term durability

internal bifold

Standard Bifold Doors

Our standard bifold doors represent a perfect balance between contemporary style and traditional appeal. These versatile doors work equally well in modern homes and period properties.

The thermal performance of our standard bifolds is impressive. With high quality double glazing and thermal break technology on all of our aluminium frames, they provide low U values and excellent energy efficiency. This means your indoor living space stays comfortable regardless of the weather, potentially reducing heating bills and your carbon footprint.

At North East Bifolds, we take security seriously. All our bifold doors are fitted with multi-point locking systems and meet strict PAS security standards, providing peace of mind for homeowners. The robust aluminium frames offer excellent strength and ensure your doors operate reliably for years.

Our exterior bifold doors are available in various configurations, from simple two-panel designs to large seven-panel arrangements. This flexibility means they can accommodate virtually any width requirement, making them suitable as modest patio doors and large glazed walls.

small white bifold

Ultra Slim Bifold Doors

For those seeking the ultimate modern look, our ultra slim bifolds are an excellent choice with their incredibly slim sight lines and larger panes of glass. These doors are increasingly popular in new build homes where maximising light and views is a priority. The ultra slim frames create an almost seamless transition between indoor and outdoor spaces.

Despite their slender appearance, these doors don’t compromise on thermal efficiency or security. An ideal choice for modern homes and large openings, our ultra slim bifold doors create stunning glass walls that remove the boundary between interior and exterior spaces. They’re perfect for:

  • Modern architectural designs
  • Properties with scenic views, such as beachside or cliffside residences
  • Contemporary renovations

slim grey bifolds

Customisation and Finishing Touches

All our bi fold door systems can be tailored to meet your needs. When it comes to colour, you can choose from any RAL shade, meaning you can perfectly match or contrast with your home exterior. You can even customise the colour of your handles independently with four classic options – black, brushed chrome, anthracite grey and white – all designed to complement the door colour you choose.

We offer two threshold options to suit different needs: a 50mm weathered threshold that provides extra protection against the elements or a 15mm non-weathered option for easier access. You can also opt for internal blinds, neatly housed within the glazing units for maximum light and privacy control.

These design choices let you create exactly the look you want while keeping the practical features you need for everyday use.

Installation, Performance and Security

Professional installation is vital to ensure performance. Our experienced team handles every aspect of the fitting process, including helping you with permitted development rights and local authority regulations. We ensure perfect alignment and smooth operation, conducting thorough testing after installation.

Our aluminium bifold doors are designed for minimal maintenance, requiring occasional cleaning to keep them looking their best. The robust nature of aluminium means no rust or corrosion concerns, while quality components ensure smooth operation throughout their lifetime.

When it comes to keeping your home secure, we take no chances. That’s why every bifold door we install comes fitted with the EROS 3 Star Cylinder lock: one of the most secure locking systems available. These locks have earned the Sold Secure Diamond 2024 certification and protect against all known break-in methods. With features like hardened steel construction and advanced anti-pick mechanisms, you can rest assured your new doors are as secure as they are stylish.

Making Your Decision

When choosing your bifold doors, consider significant factors like:

  • The architectural style of your property
  • Your specific space and light requirements
  • Budget and long-term value considerations
  • Configuration and access requirements

grey bifolds

Bifold Doors From North East Bifolds

Whether you’re looking to modernise a period property, create flexible living spaces, boost aesthetic appeal, increase the value of your home or add natural light, we have the perfect bifold door solution for your home. Our range combines functionality with style, offering excellent thermal performance, strong security, minimal maintenance and several design options.

You can view and use our whole range of bifold doors and our other aluminium doors at our showroom. You can find this at Ind Estate, North Crescent, Bifold House, Cold Hesledon, Seaham, SR7 8RD.

For more information, call us on 0191 581 3987, email us at sales@northeastbifolds.co.uk or use our online contact form.

We look forward to hearing from you.

Customisable Products

Family Run

Over 50 Years Experience

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Areas We Cover

We serve all areas the North East. You can also visit our showroom based at our factory in Seaham, County Durham 

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