origin OB-49 bifolding doors

Origin OB-49 bifolding door

The bifold with the slimmest sightlines

The minimalist Origin OB-49 bifolding door brings even more light into your home thanks to its incredibly slim proportions. Modern square aesthetics blend with quality glass, creating a truly beautiful folding sliding door.

Expertly crafted with premium door furniture as standard, multipoint locking and excellent energy efficiency with low U-Values.  Origin OB-49 bifolds improve your home with panoramic views, practicality, luxurious colours and one of the best brands you can buy. Enjoy an even better seamless transition from inside to out. The classically styled OB-72 bifold provides larger panel sizes and an open corner design.

  • One of the thinnest bifolds on the market
  • Outstanding looks, design and performance
  • A contemporary bifold, adding light and space
  • Luxury stainless steel handles as standard

Design and Performance

Rigorously quality tested

Enjoy genuinely minimalist looks and contemporary glazing, the Origin OB-49 bifolding door is virtually unmatched for sightlines.  110mm glass to glass dimensions gives these aesthetically excellent bifolding doors a look like no other.  The 20-year guarantee is the clue to their quality.

Matching and slimline are high quality aluminium casement windows from the same British brand.

Origin OB-49 bifolding door in a silver colour fitted in an apartment

Welcome to your light-filled new room

Designed for maximum light with minimum aluminium frames, the Origin OB-49 bifolding door gives you more glass, a brighter home and uninterrupted views of your garden. Every door comes with precision craftsmanship and visible attention to detail. Your new Origin door has the best possible components, high-security locks and luxurious tactile door handles.  Thin yet strong, secure and weather-resistant, with the legendary Origin craftsmanship. One of the best-looking bifolds on the market today.

Made to Measure

Expertly-crafted to your specification

The secret to enjoying your improved home and your surroundings is the finishing touches.  Origin leads the market for bespoke bifolding doors. From 1-8 panels, a virtually unlimited colour palette and many opening configurations. Create your dream doors.

Slim Bifold Doors

We make it happen for you

It's not just the optional marine grade low maintenance colours and flexible opening options that make Origin doors bespoke. Only Origin doors give you options for customising the hardware.  Black, white, steel or colour matched handles, hinges, door magnets and even stainless steel or colour matched running gear. You can even colour match the finger-safe door seals for a seamless and consistent look.  Or enhance your glass with integral blinds, triple glazing, solar control or enhanced security laminated glass.


Excellent engineering with high performance

Designed and built to last, every Origin OB-49 bifolding door is perfect for replacing your old patio doors.  Their high specification means they surpass current Building Regulations and future-proof your home.

Reynaers bifolding doors

Perfect aesthetics, the best functionality.

Thermally insulated frames with high specification double or triple safety glass units help lower your energy bills while creating a comfortable interior in winter or summer. Origin doors come at sizes up to 1.2m wide and 2.5m high with a weathered threshold or a flush option for that smooth transition outdoors. Certified security comes from its robust design and construction with tamper-proof hinges, 8-point lock and 3-Star diamond cylinder as standard. Origin doors come independently tested to the latest security and performance standards including Secured by Design.

Premium aluminium with durable colour protection

Replace your old doors with Origin

The perfect modern looking bifold for creating your dream new room, flooded with a feeling of space and light with discreet aluminium profiles.

Origin OB-49 bifolding doors


No other door offers the proportions with a distinctive flat and square appearance inside and out. Choose doors folding to the left, the right or splitting either side. Then add the ultimate in convenience with a traffic door – perfect for everyday use without having to fold your panels back. The ideal configuration for terraced homes, townhouses or properties with only one rear access door. The true sign of a highly engineered, top-of-the-line bifold is how it operates. Finger light operation, quiet, smooth running and a feeling of quality from the minute you turn the door handle. The distinctive looks only available with an Origin OB-49 bifolding door also makes them perfect as an internal room divider with a low threshold. And with matching single doors, French doors, front doors and even garage doors. Origin products give you a luxury brand in your home with unbeatable lead times and a quality 20-year guarantee. Finally, the incredible lead times available only with Origin doors mean you get your new extension completed faster, letting other trades get on with creating your dream home. Talk to us today about how quickly we can fit these stunning bifolding doors in your home.

Case Studies