Origin OB36 Bi-Fold Door | Essex Bi-Fold Doors Company

Origin OB-36+ Aluminium Bi-Fold Door

The Origin OB-36+ Bi-Fold Door from the Contemporary Collection redefines modern aluminium design with its ultra-slim 36 mm sightlines and expansive glass panels. Designed to flood your home with natural light and create a seamless connection between indoors and outdoors, it perfectly blends style, strength, and performance. With exceptional energy efficiency, effortless operation, and reassuring safety features, the OB-36+ is the ultimate choice for modern living.

Key Benefits

Ultra-slim 36 mm aluminium profiles maximise light and views for a contemporary finish
Excellent thermal efficiency with U-values as low as 0.78 W/m²K, keeping your home warm and efficient all year round
Smooth, precision-engineered operation for effortless opening and closing
Finger-safe gaskets, strong magnetic door keeps, and optional low thresholds make it a safe choice for families and accessible homes
High-security multi-point locking system, hinges, and frames for total peace of mind
Fully bespoke design with a wide choice of configurations, handles, and over 150 RAL colour options
Backed by Origin’s 20-year guarantee, offering long-term durability and confidence

A Modern Touch for a Countryside Classic

Set within the Essex countryside, this character home has been reimagined with a sleek, modern edge. The homeowners wanted to replace their original timber windows and doors, charming but high maintenance, with something that offered the same visual appeal and far better performance.

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Why Choose Essex Bi-Fold?

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

Workmanship

Backed by a workmanship warranty and dedicated aftercare service for complete peace of mind

Customer Focused

We provide a customer-focused, responsive service with clear communication and honest advice throughout your project.

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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.

How energy efficient is the Origin OB-36+ Bi-Fold Door?

The OB-36+ delivers exceptional thermal performance, with U-values as low as 0.78 W/m²K. Its advanced polyamide thermal break, weathertight seals, and premium glazing help maintain warmth, reduce heat loss, and support lower energy bills throughout the year.

Can the OB-36+ be customised to suit my property?

Yes. Every OB-36+ is made to measure, with flexible configurations, threshold options, and over 150 RAL colours — including dual-colour finishes. You can also choose from a range of handle styles and hardware finishes to complement your home’s design.

What warranty does the OB-36+ come with?

Each OB-36+ Bi-Fold Door is backed by Origin’s comprehensive 20-year manufacturer’s guarantee, giving homeowners complete confidence in its build quality, performance, and long-term durability.

Are OB-36+ Bi-Fold Doors secure?

Absolutely. The OB-36+ features a robust multi-point locking system, premium hinges, and reinforced aluminium frames. All doors are tested to PAS 24 standards for enhanced security and peace of mind against potential intruders.

Is the OB-36+ suitable for family homes?

Yes. Safety is built into every OB-36+. Finger-safe gaskets help prevent trapped fingers, strong magnetic door keeps hold panels in place, and optional low thresholds offer easy, trip-free access — ideal for children, pets, and accessible living.

Can the OB-36+ Bi-Fold Door be installed as part of a corner configuration? 

Yes. The OB-36+ can be designed to suit almost any layout, including corner configurations set at 90°. This allows you to open up entire walls of your home, creating a seamless transition between indoor and outdoor spaces.

How do OB-36+ Bi-Fold Doors compare to the OB-49 or OB-72 models?

The OB-36+ offers the slimmest sightlines in the Origin range, making it perfect for homeowners who prioritise contemporary style and expansive glass areas. It combines the aesthetic of the OB-49’s sleek design with enhanced performance and efficiency.

Why choose Essex Bi-Fold for your Origin OB-36+ installation?

 With over 30 years of expertise and as an Origin Premium Partner, Essex Bi-Fold provides professional advice, precise installation, and full aftercare. Our installations across Essex and the South East are backed by workmanship warranties for lasting peace of mind.

Origin OB36+ Bi-Fold Door

Origin OB-36+ Aluminium Bi-Fold Door

Key Benefits

A Modern Touch for a Countryside Classic

Why Choose Essex Bi-Fold?

Start My Quote

Recent Projects

Real projects, real results - crafted with precision and care

Questions? We’re Here to Help

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

How energy efficient is the Origin OB-36+ Bi-Fold Door?

Can the OB-36+ be customised to suit my property?

What warranty does the OB-36+ come with?

Are OB-36+ Bi-Fold Doors secure?

Is the OB-36+ suitable for family homes?

Can the OB-36+ Bi-Fold Door be installed as part of a corner configuration?

How do OB-36+ Bi-Fold Doors compare to the OB-49 or OB-72 models?

Why choose Essex Bi-Fold for your Origin OB-36+ installation?

Can the OB-36+ Bi-Fold Door be installed as part of a corner configuration? 