Crafted for Character
Discover the Legacy Range – a beautifully engineered collection of heritage-style sliding sash windows, designed to deliver the classic charm of traditional timber windows with all the benefits of modern manufacturing.
Whether you're restoring a period property or adding character to a contemporary home, Legacy sash windows offer a seamless blend of style, substance, and advanced performance.
Each window in the Legacy range is crafted with meticulous attention to detail, from the authentic deep bottom rails and slim sightlines to optional Georgian bars and traditional run-through sash horns. Available in a variety of finishes, configurations, and glazing options, the Legacy range ensures a tailored solution for every home – from listed buildings and conservation areas to new builds and extensions.
Built to the highest standards using durable, low-maintenance materials, Legacy windows deliver exceptional thermal efficiency, smooth operation, and long-lasting reliability – without compromising on aesthetics.
Choose Legacy for a window that truly stands the test of time.
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Expertly Fitted, Perfectly Finished
At Cor-Line Systems, we don’t just supply premium sash windows we provide a complete, end-to-end service to ensure your project is handled with care, precision, and professionalism from start to finish.
Whether you're working on a new build, a renovation, or a like-for-like replacement in a period home, our team offers expert on-site surveys, tailored guidance, and full installation services.
We take the time to understand your property, your preferences, and your performance requirements — delivering sash windows that look flawless and function effortlessly.
Our experienced installation team is fully equipped to manage both modern and heritage applications, with an eye for detail and a respect for your home throughout the process. From precise measurements to final finishing touches, we’re committed to making your experience smooth and stress-free.With Cor-Line, you get more than a window – you get peace of mind.
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Operation with Ease
Standard Features
Astragal Bars
Traditional Georgian-style bars bonded to both sides of the glass, delivering an authentic multi-pane appearance true to period architecture.
Deep Bottom Rail
A signature heritage detail, the deep bottom rail replicates the proportions of original timber sash windows for a classic and balanced finish.
Heritage Hardware
Styled in keeping with traditional aesthetics, our sash hardware combines authentic period looks with modern reliability and smooth functionality.
Lift Hooks
Elegant and practical, lift hooks offer a traditional way to open the lower sash with ease — available in a range of finishes to suit your interior.
Mechanical Outerframe &
Welded Sash
Combining authentic timber-style mechanical joints in the outer frame with a strong welded sash, this hybrid construction delivers both style and strength.
Mechanical Joints
Crafted to mimic traditional mortice and tenon joinery, mechanical joints offer a truly authentic appearance for period-sensitive installations.
Slim Midrail
The slim midrail enhances sightlines, maximising light while maintaining the elegant proportions expected from true heritage sash windows.
Travel Restrictors
Discreet and secure, travel restrictors provide peace of mind by limiting how far the sash can open — ideal for added child safety or ventilation control.
