Origin OS29 Aluminium Sliding Door

Origin OS29 Aluminium Bi-Fold Door

The Origin OS‑29 Sliding Door combines refined design with exceptional performance, offering slim aluminium sightlines and expansive glass panels that flood your home with natural light. Engineered for strength, smooth operation, and everyday practicality, it creates a seamless connection between indoor and outdoor living. With flexible configurations, advanced thermal efficiency (U‑values as low as 1.3 W/m²K), and a choice of over 150 RAL colours, the OS‑29 brings precision engineering and contemporary style together in one elegant sliding system.

Key Benefits

Slim 29 mm aluminium profiles for a clean, modern aesthetic and expansive views
Excellent thermal efficiency with thermally broken frames, high‑performance glazing, and U‑values from 1.3 W/m²K
Effortless glide system, engineered for smooth, quiet, and reliable operation
Robust multi‑point locking system and reinforced aluminium construction for maximum security
Fully bespoke design with flexible panel sizes, configurations, and over 150 colour options
Durable powder-coated aluminium for minimal maintenance and long-lasting performance
Supports wide openings and multiple track options for uninterrupted indoor‑outdoor flow
Backed by Origin’s 20‑year guarantee for complete peace of mind

Why Choose Essex Bi-Fold?

Expert Team

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

Origin Premium Partner

Origin Premium Partner and approved Korniche installer - trusted for quality

Precision Installation

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

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.

What makes the Origin OS-29 Sliding Door different from other models?

The OS-29 balances slim sightlines with exceptional strength and thermal efficiency. It’s ideal for homeowners seeking a refined sliding system without compromising on performance or design versatility.

Can the OS-29 Sliding Door be customised to fit my space?

Yes. Each OS-29 is made to measure, with options for panel size, track configuration, colour, and threshold to suit your home perfectly.

How energy efficient is the OS-29?

The OS-29 features thermally broken aluminium frames and high-spec glazing, delivering excellent U-values that help maintain comfort and reduce energy costs year-round.

Is the OS-29 suitable for large glass panels?

Absolutely. It’s designed to handle wide openings and large glass panes while maintaining smooth operation and structural integrity.

How secure are Origin OS-29 Sliding Doors?

Every OS-29 door is fitted with a robust multi-point locking system, premium hardware, and reinforced aluminium frames to ensure strong, reliable security.

Can OS-29 Sliding Doors be used in coastal or exposed areas?

Yes. The marine-grade aluminium and advanced weatherproofing make it ideal for exposed environments, providing lasting durability even in coastal conditions

Can OS-29 Sliding Doors be installed in coastal or exposed environments?

Yes. The marine-grade aluminium and robust weatherproofing make the OS-29 suitable for challenging locations, including coastal homes in Essex and the South East.

What warranty covers the Origin OS-29 Sliding Door?

Every OS-29 Sliding Door is backed by an industry-leading guarantee of up to 20 years, reflecting the quality of materials, manufacturing and installation.

Origin OS29 Sliding Door

Origin OS29 Aluminium Bi-Fold Door

Key Benefits

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.

What makes the Origin OS-29 Sliding Door different from other models?

Can the OS-29 Sliding Door be customised to fit my space?

How energy efficient is the OS-29?

Is the OS-29 suitable for large glass panels?

How secure are Origin OS-29 Sliding Doors?

Can OS-29 Sliding Doors be used in coastal or exposed areas?

Can OS-29 Sliding Doors be installed in coastal or exposed environments?

What warranty covers the Origin OS-29 Sliding Door?