Aluminium Casement WindowsBeautifully crafted windows,
made to frame your home with style.
The Casement Window, redefined.
Elegant, versatile and effortlessly practical, Origin Aluminium Casement Windows bring together traditional window design and modern aluminium engineering. Also known as hinged windows, they suit everything from period homes and countryside cottages to contemporary extensions and complete renovation projects.
Every Origin Casement Window is made bespoke, with control over size, configuration, colour and hardware. Choose the OW70 for ultra‑slim sightlines and elegant proportions, or the OW80 for enhanced thermal performance and vast maximum sizes.
Designed to welcome natural light and elevate everyday living, Origin Aluminium Casement Windows offer a timeless look with all the advantages of a precision‑engineered system.
Explore the difference.
Ultra secureCasement WindowsOrigin Casement Windows are engineered with security at their core. Featuring inherently strong aluminium profiles, advanced locking systems and high‑performance hardware, each window is designed to help protect your home without compromising on style. It is reassurance built in beautifully.
Thermal EfficiencyCasement WindowsComfort should feel effortless. Origin Casement Windows are designed to help keep your home warm in the winter and cool in the summer, with the OW80 achieving U‑Values as low as 0.8 W/m2K. From quiet mornings to cosy evenings, they support year‑round living without sacrificing your view.
HardwareCasement WindowsThe right handle does more than just facilitate smooth operation, it completes the entire look. Origin Casement Windows are available with a considered collection of hardware options, from contemporary designs through to heritage‑inspired styles. Each one is designed to complement your chosen window style while delivering reliability, security and lasting performance.
UK ManufacturedCasement WindowsEvery Origin product is designed and manufactured in‑house in the UK. By retaining control over the full process, from engineering and powder‑coating through to assembly and delivery, Origin ensures consistency, precision and an exceptional finish across every bespoke window.
Up to a 20‑year GuaranteeCasement WindowsOrigin’s confidence comes from the care that’s been built into every stage of production. Every window is subject to rigorous quality measures and checks, which is why Origin can offer a guarantee of up to 20‑years across its products. This gives you long‑term reassurance and complete peace of mind.
Endless Colour OptionsCasement WindowsWith over 150 RAL colours available, your Origin Casement Windows can be finished to suit your home and style. Choose a crisp architectural tone, a subtle neutral, a heritage‑inspired shade or a dual‑colour option, helping complement your interior and exterior look. Because Origin powder‑coats in‑house, every window is finished with care, consistency and durability in mind.
BespokeCasement WindowsNo two homes are the same, so your windows should not be either. Origin Casement Windows are made bespoke to your exact requirements, from size and colour, through to hardware and configurations, of which includes fixed, side‑hung, and top‑hung arrangements. The result is a window system tailored to you.
Premium AluminiumCasement WindowsOrigin Casement Windows are manufactured using premium‑grade aluminium. Strong, durable and low maintenance, aluminium allows for elegant sightlines, generous glass areas and reliable performance. It gives you the beauty of a classic window design with the strength and precision of a modern material.
A window as unique as your home, tailored to your space and style.
Regardless of the style you choose, all Origin Casement Windows are UK manufactured with meticulous attention to detail. Each style offers its own interpretation of refinement, helping you create a window that feels completely at home in its surroundings, whether classic, contemporary or somewhere beautifully in between.
Colour considered from every angle.
With over 150 RAL colours to choose from, Origin Aluminium Casement Windows can be finished to suit the character of your property and the feeling of the rooms they belong to. Deep blacks and greys bring a clean, steel‑inspired look to Soho designs, while softer neutrals and heritage tones work beautifully with Georgian detailing and more traditional homes.
For an even more tailored result, dual‑colour options allow the external finish to complement your home’s exterior, while the internal colour is chosen to sit naturally with your interior scheme.
The finishing touches that complete your Casement Window.
Handles for Origin Windows are designed to provide the perfect finishing touch to an already exceptional window system. Whether you’re opting for a sleek Gallery style window, a bold Soho statement, or a more traditional Georgian look, you can tailor the hardware to perfectly complement your vision. Additionally, with hardware thoughtfully designed for each window system, you can be confident that it not only looks beautiful, but also delivers a smooth operation and reliable security.
Comparing the differences between the systems.
OW70 Internal viewExternal view
OW70
The OW70 offers a refined aluminium casement window with elegant proportions and a beautifully balanced aesthetic.
Its 65mm sightline creates a slim, considered frame that works effortlessly across both contemporary and traditional homes. With a versatile range of styles, colours and hardware options, the OW70 gives you the freedom to create a window that feels tailored to your property.
OW80 Internal viewExternal view
OW80
The OW80 is designed for homes where outstanding thermal performance is a priority.
With U‑Values as low as 0.8 W/m2K, it offers exceptional energy efficiency while retaining the strength, quality and bespoke finish expected from Origin. Its 91mm sightline creates a more substantial frame, making it a strong choice for projects where performance, comfort and presence are key.
With two sightline options available, there are two distinctive ways to frame your world. The table below shows the key performance and design differences between each system.
| OW70 | OW80 | |
|---|---|---|
| Sightline | 65mm | 91mm |
| U‑Value | Up to 1.2 W/m2k | Up to 0.8 W/m2k with Aerogel |
| Guarantee | Standard: Up to 20‑years Marine Environment: Up to 10‑years (frame): up to 5‑years (hardware) | |
Get inspired.
Not quite for you or want more information? Visit our Aluminium Windows page, download a brochure or contact your local installer and start your Origin journey today.
