• Ultra Slim aluminium French doors, garden studio
  • Anthracite grey aluminium slimline French doors
  • Black slimline French doors, matching set.

Aluminium Ultra Slim French Doors

Are you looking to replace or install new French Doors? Do you love contemporary French Door styling? Ultra Slim French Doors would be perfect for you.

An UltraSlim 2-door system will have a 38mm central sightline when closed. You can use one main door or open both. Both doors may open to the left or to the right (whichever side is best for your installation) and will open either inwards or outwards as required – you can discuss these and various other options with our team. Narrow exterior French doors are commonly used to gain a contemporary effect using modern materials and styling.

Ultra Slim narrow exterior French doors in black, installed in a kitchen opening onto a patio. One door is open.

Ultra Slim French Doors Options

  • Left opening or right opening doors
  • Inwards or outwards opening doors
  • Choice of colours – 4 standard at no additional charge, or
  • Over 100 RAL colours to choose from
  • Glass options, including tinted glass, argon-filled double glazing, laminated glass, anti-sun glass and obscured glass
  • Optional integral horizontal blinds inside the glass cavity, for privacy and light control

These narrow patio doors are perfect for any domestic or commercial project. We are experts in various types of thin framed patio doors. We can supply traditional bi folds as narrow French doors with just as many options!

Benefits of Choosing Ultra Slim Aluminium Bifold Doors Over Traditional French Doors

Slim Sightlines

Ultra Slim doors provide very slim sight lines compared to traditional French door systems, allowing more natural light into your room and offering unobstructed views. The narrow outer frames and larger glass panels create a more open and airy feel.

Thermal Efficiency and Security

Thermally broken aluminium frames in our Ultra Slim doors improve insulation, keeping your home warm in winter and cool in summer, thus reducing energy bills and your carbon footprint. Secure locking mechanisms increase safety and peace of mind.

Aluminium hinged patio doors, a modern 
alternative to French doors
Ultra Slim as French doors, in black


Traditional hinged patio doors often restrict the width of openings. Our slide and pivot system allows for larger openings without bulky folding hinges, making them ideal for wide openings.

Constructed with high-quality aluminium frames, Ultra Slim doors are both lightweight and robust. This material supports large glass panels while ensuring durability and minimal maintenance, unlike traditional wooden French doors.

Our Ultra Slim contemporary French door alternative is highly customisable and made to measure. You can choose the direction of the door opening, select from a wide range of colours, and opt for integral blinds within the glass panels for added privacy and light control—features not typically available with traditional French doors.

Frequently Asked Questions

How do Ultra Slim doors differ from traditional French doors?

UltraSlim doors feature slimline aluminium frames with narrow sight lines, allowing more natural light to enter and providing unobstructed views. Unlike traditional French doors, UltraSlim doors use a slide-and-pivot system, where each panel of glass moves independently along a guide rail and pivots open. This design eliminates the need for bulky hinges and allows for greater flexibility in use and configuration.

Are Ultra Slim doors suitable for narrow French door openings?

Yes, Ultra Slim doors are ideal for narrow French door openings. Their slimline aluminium frames and versatile design make them perfect for both small and medium to large sized openings, both as internal doors or French patio doors. The narrow frames ensure that even smaller openings maximise the amount of glass.

What colour options are UltraSlim French doors available in?

Ultra Slim as French doors are available in a wide range of colour options to suit various styles and preferences. Standard colours include popular choices like anthracite grey and natural pure white. For those seeking a more personalised touch, there are over 100 RAL colours available, allowing you to match your doors perfectly to your living spaces. Additionally, dual colour options are offered (different colours on the inside and outside of the frames).

How does the slide and pivot system work on your slimline aluminium doors?

The slide-and-pivot system allows each door panel to move independently along a guide rail and pivot open, eliminating the need for bulky hinges. This design provides maximum access and flexibility, making Ultra Slim doors a practical choice for both internal and external doors.

Can Ultra Slim doors be installed in both residential and commercial properties?

Yes, Ultra Slim narrow French doors are suitable for both residential and commercial properties. They are designed to provide a modern look with slimline aluminium frames, making them ideal for homes, offices, and retail spaces. The doors are customisable in various colours, including popular options like anthracite grey, to match different architectural styles.

Are UltraSlim doors energy efficient?

Ultra Slim aluminium French doors are highly energy efficient due to their double glazing, thermal break technology and modern materials used in their construction. These features are included as standard with our external doors, and improve thermal performance by reducing heat transfer, helping to maintain comfortable indoor temperatures and reducing energy costs. The doors are designed to meet British standards for energy efficiency. We are also able to offer several glass options which improve efficiency even further as optional extras, such as laminated and argon-filled glass.

What security features do Ultra Slim French doors offer?

Ultra Slim thin framed patio doors come with advanced locking mechanisms for security. These features ensure that your home or business is well-protected while maintaining the doors’ sleek appearance.

The doors meet PAS 24 standards, a recognised British security performance benchmark, offering enhanced security and peace of mind.

Can I have integral blinds fitted in my Ultra Slim slimline French doors?

Yes, you can have integral blinds fitted within the panes of glass in Ultra Slim doors. These blinds are sealed within the double-glazed units, ensuring a dust-free environment. They offer increased privacy and light control without affecting the slim sight lines of the doors. Integral blinds are available in various styles and colours to match your décor.

Are there options for both inward and outward opening with Ultra Slim doors?

Yes, our aluminium slimline French doors doors can be configured to open either inwards or outwards, depending on your preference and space requirements. This flexibility makes them a perfect choice for various applications, including narrow French patio doors, double doors and internal doors.

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