Origin OB49 Bi-Fold Door | Essex Bifold Doors

Origin OB-49 Aluminium Bi-Fold Door

The Origin OB-49 Bi-Fold Door is the perfect solution for contemporary homes, combining sleek design with expert engineering. Its slim sightlines maximise natural light and provide expansive, uninterrupted views, while precision manufacturing ensures smooth operation and long-lasting performance. Fully customisable in size, configuration, and over 150 RAL colours, the OB-49 delivers a stylish, functional, and low-maintenance aluminium solution for modern indoor-outdoor living. Optional low-threshold designs make the transition between inside and outside effortless, creating a seamless connection with your garden or patio.

Key Benefits

Slim sightlines for a clean, contemporary look and maximum natural light
Precision-engineered for smooth operation and reliable long-term performance
Low-threshold availability for easy access and seamless indoor-outdoor flow
Outstanding thermal efficiency with thermally broken aluminium frames and advanced weather seals
High-security eight-point locking system with robust hinges and anti-lift mechanisms
Wide choice of sizes, configurations, and over 150 RAL colours, including dual-colour and woodgrain finishes
Durable, low-maintenance aluminium designed to perform beautifully for years

Why Choose Essex Bi-Fold?

30 years Experience

Over 30 years of industry knowledge and 2,500+ successful installations

Precision Installation

With precision installation, we fit aluminium systems that enhance your home and deliver lasting performance.

Origin Premium Partner

Origin Premium Partner and approved Korniche installer - trusted for quality

Expert Team

Our expert team provides tailored guidance and works closely with you to deliver a smooth, detail-focused project from start to finish.

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Jeanette White

"The Bi-fold doors are amazing. The showroom has a few full set-ups which allowed me to have a good look and try it out before deciding. "

Raymond Law

"We visited Essex Bi-Fold doors and met with Clive and were impressed with there showroom and expertise. The doors we ordered look great, and the quality is excellent. "

Lester Wadden

"Essex Bi-fold Replaced our two old Kitchen roof windows with new Korniche roof lanterns. The whole experience, from initial enquiry to completion of installation, was excellent. The design of the new windows is so much more efficient, allowing more light into the kitchen."

Vicky Knight

"Wonderful experience from start to finish. We purchased Origin Bi-folds from Essex Bi-Folds August 2025. Easy to purchase, great showroom with lots of options, good price, amazing quality. "

The Bootlegger

"Great service and communication. OS-29 sliding door went in without issues. We’re really glad we found Essex Bi Fold as they’ve been on point. Loving the door quality and look. Feels very strong, door glides open with ease. 10/10."

Karen Scarsbrook

"Highly recommend this company. Everyone we dealt with from Lee in the office, his manager and the installers were extremely nice and super helpful - going the extra mile to get the finish we desired. "

Paul Marsh

"Absolutely fantastic team Clive Lee and the guys couldn't do enough for you. The difference its made to our lives is insurmountable."

Recent Projects

Real projects, real results - crafted with precision and care

Explore our latest projects featuring bi-fold doors, sliding doors, entrance doors, and windows - transforming homes with light, space, and modern design, all crafted with precision and care.

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A Modern Touch for a Countryside Classic

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Open-Plan Garden Transformation

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Beaumont Hall Barns Restoration

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High Spec Essex Development

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Chelmsford Conservatory Transformation

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Light-Filled Kitchen Extension

Questions? We’re Here to Help

Find answers about our services - or ask us anything you don’t see.

Are the OB-49 Bi-Fold Doors energy efficient?

Yes. The OB-49 features advanced thermally broken aluminium frames and precision weather seals, ensuring exceptional energy efficiency. This helps maintain a comfortable temperature inside your home while reducing heat loss and lowering energy bills.

Can the OB-49 Bi-Fold Door be used in corner configurations? 

Absolutely. The OB-49 can be configured for a wide range of layouts, including 90° corner sets. This design flexibility allows you to open up entire sections of your home, creating stunning panoramic views and a seamless connection to your outdoor space.

Do the OB-49 Bi-Fold Doors come with a warranty? 

Yes. Every OB-49 Bi-Fold Door is backed by Origin’s comprehensive 20-year manufacturer’s warranty and our own workmanship guarantee, providing long-term peace of mind and dependable performance.

How secure are the OB-49 Bi-Fold Doors?

Security is a key feature of the OB-49. Each door includes an eight-point locking system with robust hinges, anti-lift mechanisms, and high-security barrels tested to meet PAS 24 standards, offering complete protection for your home.

Can I customise the look of my OB-49 Bi-Fold Door?

Yes. The OB-49 is fully bespoke, available in over 150 RAL colours, dual finishes, and woodgrain effects. You can also choose from multiple configurations, hardware styles, and threshold options to complement your property’s architecture and décor.

Is the OB-49 suitable for homes in coastal or exposed areas?

Definitely. Made from marine-grade, powder-coated aluminium, the OB-49 is built to withstand harsh weather conditions. Its durable finish protects against corrosion, ensuring long-lasting beauty and performance in any environment.

How long does it take to build a website?

Most standard websites take around 2–4 weeks from start to finish, depending on the size of the project and how quickly content is provided. Larger or more complex sites may take a little longer, but we’ll give you a clear timeline at the beginning of the project development.

What threshold options are available with the OB-49 Bi-Fold Door?

The OB-49 offers a range of threshold options, including low thresholds for smooth indoor-outdoor transitions and fully weathered thresholds for maximum protection. This makes it suitable for both internal and external applications.

Why choose Essex Bi-Fold for your OB-49 installation?

As an Origin Premium Partner with over 30 years of experience, Essex Bi-Fold provides expert advice, precise installation, and dedicated aftercare. We ensure your OB-49 Bi-Fold Doors perform flawlessly and enhance your home for years to come.