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Origin Doors

Open up your home and entertain in a different way with the Origin Bi-folding window…

Also known as a ‘servery window’, this style was traditionally found in cafes and restaurants, but it’s now creating a revolution in the way you can entertain, barbecue and open up your home.

The bi-fold window delivers all the benefits of a bi-fold door in a new place with a new purpose. This means you can have the same slim sightlines, large openings, functionality, configuration options and opportunity to make your window bespoke to your needs, as you would with the industry-renowned Origin Bi-fold Door.

  • Made in Britain

    Proudly manufactured in the United Kingdom at our Buckinghamshire facility.

  • Up to a 20 year guarantee

    Discover our industry leading guarantees for complete peace of mind.

  • Thermal performance

    Our doors help your house stay warm in winter and cool in the summer.

  • Police backed security

    We’re committed to your safety through compliance and accreditation initiatives.

  • 150 RAL colours

    A wide range of colour and finish options ensures that there is a style to suit your home.

  • Unbeatable lead times

    Find out how our unbeatable delivery promises can help your project.

  • Bespoke

    All Origin products are tailor-made to your requirements by our higly skilled team.

  • Premium quality aluminium

    Find out how our doors benefit from the strength, resilience and versatility of our premium grade aluminium.

  • Low maintenance

    Our expert engineering allows you to focus on enjoying the products rather than taking the time to maintain them.

Bespoke to you…

The Bi-fold window will change the way you interact with your home, so it’s important that it is able to become part of your home’s unique character.

  • The size of your aperture. Your installer will measure this for you.
  • How many individual sashes you want in your configuration.
  • ConfigurationChoose how your windows open and the direction they fold in.
  • Select your colour scheme, whether that's the same inside and out or different.
  • Consider the colour of your hinges, gaskets and running gear.
  • Open in or outDecide whether you want your windows to open to your inside or outside space.
  • Handle modelChoose from a selection of stunningly designed handles from our ranges.

Made for your needs…

Bi-fold windows fold back on themselves and create a totally uninterrupted view once opened. With such slim sightlines, even when shut, you can still enjoy a spectacular view.

Created completely bespoke to your needs, each individual sash can be made between 400mm and 1200mm wide, opening inward or outward, and folding to left or right. The configuration can be split down the middle or all folding in one direction – however works best for you and your space. The look and functionality of your bi-fold window can be completely customised to your needs, right down to the handles.

Styles tailored to your home…

To add an element of classic yet contemporary elegance, you also have the option of adding Georgian bars to your window design. Often referred to as a steel look, it’s a design that is right on trend that you can have placed however you prefer – horizontally, vertically, or both.

Safety for all the family…

Our bi-fold windows feature special finger-safe gaskets, which protect little fingers from getting trapped, and a magnetic catch to hold the windows in place once open.

Smooth to use…

The track and slimline carriage are the secret to how the Origin Bi-fold Window moves so smoothly – it’s quality in every movement, as they work together to allow the window to move quietly and efficiently.

Handled just right…

Elegant and modern handle styles are available, as the ultimate finishing touch. Offering the ultimate level of design, functionality and strength, our handles are available in stainless steel, or can be colour contrasted or coded for a complete chic finish.

Deluxe handle collection

Our deluxe handles offer an elegant look, coupled with a luxurious feel

Black EscutcheonBlack Soft-touch lever handle
Black Soft-touch lever handle with separate escutcheon (Style 253/280)
Anthracite EscutcheonAnthracite Soft-touch lever handle
Anthracite Soft-touch lever handle with separate escutcheon (Style 253/280)
Rose Gold EscutcheonRose Gold Soft-touch lever handle
Rose Gold Soft-touch lever handle with separate escutcheon (Style 253/280)

Premium stainless-steel handles

Stainless steel handle range which can also be colour coded

EscutcheonStyle 253/280
Solid stainless steel lever handle with separate escutcheon (Style 253/280)
EscutcheonStyle 251/280
Solid stainless steel lever handle with separate escutcheon (Style 251/280)
EscutcheonStyle 301/280
Solid stainless steel lever handle with separate escutcheon (Style 301/280)
EscutcheonStyle 303/280
Solid stainless steel lever handle with separate escutcheon (Style 303/280)
Style 253/270
Solid stainless steel lever handle with long back plate (Style 253/270)
Slave handleD-handle
Slave and D-handles are availabe in any of the 150 RAL shades or can be specified in a stainless steel finish. These are used across both the OB-49 and OB-72

A handle for any property style…

The aluminium handle range is made to provide easy and smooth operation

White aluminium lever handleWhite aluminium lever handle
Chrome aluminium lever handleChrome aluminium lever handle
Black aluminium lever handleBlack aluminium lever handle

Bi-Fold Window specification…

Just like our award-winning bi-fold door range, our bi-fold window is available in a multitude of colours, configurations and sizes. See the table below to see all the customisable options available to make your unique statement window.

Sightline * Sizes denote glass to glass measurements.
154mm *
Sizes - Height
Min. 524mm - Max. 3,000mm
Sizes - Width
Min. 449mm - Max. 27,600mm With joining tracks
Popular Colours
7015M, 7016M, 7021M, 9005M, 9007M, 9910G, 9910M, 9910G/7016M (dual colour), Natural Oak and Golden Oak
Dual Colour Option
Midrail Option
Georgian Bar Option
Lead Times Lead times displayed may change without prior notice and will depend on installation availability.
See the most up-to-date delivery times
Popular colours - Your Lead Time, Not Ours (available in as little as 24‑hours)
Up to 1.1W/m2K
Unique 8-point locking system and upgradeable to a 3-Star Diamond cylinder and PAS 24
Secured By Design
Standard - Up to 20 years
Marine Environment - 10 years (frame) & 5 years (hardware)

What to do next?

  1. Find your local installerFind your local installer Complete the form
  2. Arrange a consultation to discuss your projectArrange a consultation with them to discuss your project
  3. Book a convenient date for them to installBook a convenient date for them to install
  4. EnjoyEnjoy your home's new lease of life

Here at Origin, our vision is to transform the way families enjoy their home - from inside to out…

Explore our Case Studies

  • Origin Bifolding Window transforms this open plan living space in Hertfordshire

    Origin Bifolding Window transforms this open plan living space in Hertfordshire

    See how effortlessly the Origin Bifolding Window transforms the kitchen area in this family home.

    Read case study
  • Traditional thatched cottage with a modern Origin twist

    Traditional thatched cottage with a modern Origin twist

    Step into a world where tradition meets innovation at this charming thatched cottage. Experience the modern Origin twist first-hand.

    Read case study
  • Origin’s OI-30 beautifully compliments this stylish family home

    Origin’s OI-30 beautifully compliments this stylish family home

    James, a long-term employee of Origin, showcases his new OI-30 installation and highlights the reasons why he chose aluminium internal doors and why Origin was the only option.

    Read case study

Explore our range of windows

Whether you’re planning a replacement, renovation or a new build, we have a range of window types and configurations available to suit your desired aperture. Whether it’s a Bay, Casement, Fixed, Bi-folding, French or Gable window, each type is guaranteed to deliver smooth, flawless and effortless operation as it is made using premium-grade aluminium. Every aspect is completely tailored, including your size and colour scheme.

OW-70 slimline window