Origin Windows are more than just functional elements – they’re the eyes of your home, framing views, inviting light, and enhancing security.

Our Origin Windows Collection is one of the finest available – a premium range of

British-designed aluminium windows that combine striking aesthetics with uncompromising performance.

Whether renovating a period property or building a contemporary home, Origin’s OW-70 Slimline and OW-80 Premium windows offer bespoke designs, 10-year guarantees, and industry-leading security. Let’s explore what makes them exceptional.

Origin Windows: Two Systems, One Unbeatable Standard

Origin’s windows are crafted in Buckinghamshire and built to withstand the UK climate while elevating your home’s style.

Both the OW-70 and OW-80 Origin windows share core benefits:

Ultra-secure: PAS 24-
Fully customisable: 150+ RAL colours, dual-colour finishes, and bespoke
Thermally efficient: Triple glazing options and Aerogel.
10-year guarantee: Peace of mind with every
Contemporary design: with traditional bevels creating

The Origin Slimline Window (OW-70)

For those who crave a minimalist aesthetic with maximum light.

Ultra-slim 65mm frames with 5mm sightlines (more glass, less frame).
External flush casement for a clean, modern
Perfect for new builds or extensions where light flow is
Nemesis multi-point lock (Grade 4 security) for robust

These windows are ideal for contemporary homes, glass-heavy designs, and spaces where sleek aesthetics matter.

The Origin Premium Window (OW-80)

For those who favour the aesthetic, these provide a modern twist on traditional timber windows.

Internal/external flush casement – unique in the
Exquisite wood grain finishes (maintenance-free real timber).
Superior thermal performance with triple weather
Yale Encloser lock for advanced

These are ideal for period properties, conservation areas and homeowners who aim for timeless elegance.

Why Choose Aluminium? Strength, Style and Sustainability

Origin windows are crafted from high-grade aluminium, and for good reason. Did you know:

Aluminium is 67% lighter than steel yet just as
It’s resistant to warping, rust, and
Aluminium is infinitely recyclable and eco-friendly without compromising
Its slim profiles maximise glass area without sacrificing

Fun fact: Origin’s Aerogel insulation (used in the OW-80) is the same material NASA uses in spacesuits! With a U-value of just 0.8, it’s a game-changer for energy efficiency.

Design Flexibility: Your Window, Your Way

Like so many of the ranges we stock are BDF, Origin windows are fully bespoke and can be personalised in a multitude of ways..

Colour and Finish

150+ RAL colours—from subtle tones to bold
Dual-colour options: Match your exterior while contrasting
Gloss, matt, or satin finishes for added

Configurations

Casement (side/top hung)
Picture windows (fixed, frameless views up to 7m²)
Bay and gable windows
French windows (OW-80 only, with moving mullions)

Pro tip: The OW-80 can even feature glazing bars for a more traditional look.

Security You Can Trust

These days, one can’t afford to cut corners on safety. Ensure peace of mind with Origin’s certified safety features.

Both window systems include:

Hinge guards to prevent forced
Night vent function for secure
Rigorous testing: 50,000+ hinge cycles (beyond industry standards).
A police-approved ‘Secured by Design’

Energy Efficiency: Keep Warm, Save More

UK weather is unpredictable, but like so many of BDF’s elite ranges, Origin windows are engineered for it.

The Origin OW-70 features a U-value of 2 (triple-glazed) with a polyamide thermal break.
The OW-80 offers an Aerogel option for a U-value of 8. This is one of the best on the market.

Essentially, by choosing Origin windows, you’re opting for lower energy bills and a cosier home year-round.

Why Partner with BDF for Your Origin Windows?

At Bifolding Door Factory, we’re more than installers – we’re your specialist partners.

Here’s why homeowners choose us:

Factory-direct pricing: No middlemen, just quality at fair
Expert installation: Precision fitting for flawless performance,
Bespoke advice: Helping you navigate colours, styles, and
Cross-compatibility: Pair your windows with Origin bifold or patio doors for a seamless
Comprehensive guarantees: At Bifolding Door Factor, we issue well-supported guarantees on all our products.

Ready to Upgrade?

The BDF Origin Window Collection blends British craftsmanship with cutting-edge design. Whether you’re drawn to the OW-70’s sleek minimalism or the OW-80’s timeless flush casement, these windows are an investment in style, security, and sustainability.