View from inside living room looking out to backyard with patio furniture, garden, and children's play equipment

Bring the Outside In

Aluminium Bifolding Doors

Open Up Every Space.

Why Choose Bifold Doors?

Bifolding doors are the ultimate way to open up a home, bringing in natural light and creating a seamless connection between indoor and outdoor spaces. Perfect for both modern extensions and traditional properties, our aluminium bifolds combine strength, style, and energy efficiency in one impressive system. At Window Monkey, we supply high-quality bifolding doors from trusted manufacturers such as Origin and Smarts, giving trade customers access to systems that are easy to install, built to last, and designed to perform. Whether it’s a luxury bespoke Origin system or the ever-popular Smarts Visofold 1000, our bifolds deliver the reliability and finish your customers expect.

Bifolding doors offer versatility that few other door systems can match. Their multi-panel design allows them to fold neatly to one side, opening entire walls and transforming living spaces. For homeowners, that means brighter rooms, better ventilation, and effortless access to the garden or patio. For trade customers, bifolds provide a high-impact upgrade that’s simple to specify and delivers long-term satisfaction. Available in a wide range of configurations, colours, and finishes, bifolding doors remain one of the most sought-after options in modern home design.

Logo for Origin Doors and Windows with a stylized letter 'O' and a small crescent moon above the letter 'r'.

Precision Driven

  • Origin bifolding doors are precision-engineered in the UK for flawless performance. Every detail — from the ultra-smooth glide system to the slim, elegant aluminium profiles — is designed to create an effortless connection between indoor and outdoor spaces.

  • Available in the OB-36+, OB-49, and OB-72 systems, Origin bifolds offer a choice of sightlines and configurations to suit any home or commercial setting. With over 150 RAL colours and a range of handle options, each set is made bespoke to your exact specification.

  • Backed by an industry-leading 20-year guarantee, Origin bifolding doors are crafted from premium-grade aluminium for strength, weather resistance, and energy efficiency. Every set meets stringent security standards and delivers lasting quality you can rely on.

Close-up of a white sliding glass door hinge and frame, with a wooden floor and gray brick pavement outside.
A woman opens a sliding glass door to a patio outside, while a man sits on a beige couch inside the living room, looking at her.
View of an outdoor patio with white cushioned furniture, surrounded by greenery, seen through glass sliding doors from inside a house.
A living room with a gray sofa, decorative pillows, a wooden bookshelf, and a sliding glass door leading outside. Inside, a brown dog sits on the carpet, looking at a man outside through the glass door, who is squatting and smiling.
Close-up of a modern door lock and handle on a dark door with a blue background.
Bright living room with large black framed sliding glass doors, a beige tufted sofa with decorative pillows, a glass coffee table with a plant and books, and a window with decorative items inside on the sill.
The logo of Sharp Architectural Aluminum with the word "sharp" in large, maroon letters and a small star-like symbol to the left, on a white background.

Smarts Visofold Bifolds

  • The Smarts Visofold 1000 is a firm trade favourite — simple to fabricate, straightforward to install, and highly versatile. It offers exceptional value without compromising on strength, style, or performance.

  • Available in White, Anthracite Grey, or Black as standard, the Visofold 1000 delivers clean sightlines, smooth operation, and excellent thermal performance. Optional dual colours and hardware upgrades allow for further customisation to suit any project.

  • Fabricated locally by Garrard Windows in Pitstone, each Smarts bifold is made with precision and tested for quality. It’s a system built to perform — combining long-term durability, security, and ease of use for trade customers and homeowners alike.

Close-up of a sliding glass door's roller mechanism with metal wheels and black metal parts, on a track with a beige concrete surface nearby.
A bright dining area with a wooden table and six green chairs, featuring a vase of pink flowers, large glass sliding doors and ceiling skylights showing a backyard with trees and a lawn.
Exterior view of a modern house with a patio, wooden walls, large sliding glass doors, and potted plants.
Open glass patio doors leading to a backyard garden with outdoor furniture, potted plants, and a lawn surrounded by a brick wall.
View of a backyard garden with a grassy lawn, trees, and bushes, seen through an open glass door from a dining area.
Close-up of a white door handle and lock on a glass door, with a garden and brick wall in the background.