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Origin OS77 Sliding Patio Door

The perfect replacement patio door

Classically styled, the Origin OS77 sliding patio door takes inspiration from popular aluminium door styles with a more modern, secure and energy-efficient alternative.  High specification, the legendary Origin quality and smooth slide action, make this patio door ideal for openings large and small. For even slimmer sightlines there’s the latest slimline slider by Origin with even thinner mullion sightlines.

  • 2 or 3 Panel designs
  • 20-Year Guarantee
  • The ideal replacement patio door
  • Up to 6.6m wide.

Design and Performance

Efforless Door Opening

Familiar patio door design meets 21-st Century technology, giving you a premium quality sliding door for your home.  Smooth slide action, appealing proportions and the legendary Origin product quality transform your room into a desirable new space.

Stands the test of time

The Origin OS77 sliding patio door combines the latest engineering and design, delivering high performance with desirable aesthetics. It's the perfect patio door solution for replacing your dated doors with an altogether better product giving improving the look, security and comfort of your home. Bring your home to life with the classic patio door look from premium insulated aluminium with a luxuriously smooth coloured surface finish and the very best components. Above all, you get a brilliantly executed sliding door with high performance and user comfort in mind.

Made to Measure

Beautiful colours for the perfect look and feel

Every Origin sliding door comes to custom made, to your sizes and design.  From all panels sliding or a mixture of fixed and sliding panels, you benefit from a latest-generation door offering the perfect look and feel.

Designed and made with you in mind

Personalising your new Origin OS77 sliding patio door begins with the size configuration.  Then comes the colour choice.  Choose from over 150 RAL colours. Classic white gives you a stronger door while matching your existing windows.  Rich black, modern grey or something in between. Low-maintenance colours designed to keep your new patio doors looking great for years to come. Luxury comes as standard to the door handles, made from marine-grade stainless steel. Elegant, functional and dependable.  We offer an integrated handle option with key and handle operation within one stylish unit. Or you can go even more modern with a beautiful steel pull handle at 500mm long with genuine architectural appeal and a wonderful feel as you effortless slide your doors open and shut.  


Quality, Style, Performance

Expertly crafted, giving you a genuinely premium product with high performance and the best aesthetics. The quality of an Origin OS-77 sliding patio door is evident from the moment you unlock the quality lock and touch the luxurious door handle.

Industry-leading sliding doors

Door heights up to 2.52m tall make these perfect to replace any existing door.  Toughened glass comes as standard and we can help you personalise your doors for enhanced security, sun-protection of furniture or for improved acoustics. Peace of mind security comes from PAS24 and Secured by Design certification thanks to a multi-point locking system and high security cylinder with extra locking in the frame head and threshold.  

The perfect replacement sliding door

Designed to easily replace your dated patio doors

Classic looks and proportions make Origin the ideal replacement patio door product modernising your home with one of the best brands in the UK.

Origin OS77 Sliding Patio Door


Flexible opening options include two panels doors giving you a 50/50 clear opening.  Three panel doors give you a greater choice of sliding panels, fully opening to a two-thirds opening. A double or triple track lets you choose which door slides and in what direction. The fully concealed rollers and track are the best-engineered types, ensuring an always reliable and light slide action.  The doors even self-level overcoming any operational and reliability issues, even if a newly built opening is not entirely level. U-Values down to 1.8Wm2K U-Values. And to keep you warm and dry in winter, insulated aluminium combines with sophisticated seals and gaskets around the entire door set.  Enjoy daylight and a spacious feel in winter and connect your home to your garden in the summer. The Origin OS77 sliding patio door transforms your home with a contemporary sliding door from one of the best British brands. With sleek modern lines, a classically proportioned 77mm mullion and premium-grade aluminium. There’s also a slimline option with the reduced size Origin OS-44 model.

Case Studies