Our uPVC Vertical Sliding Sash Windows are the low-maintenance, energy-efficient alternative to traditional timber sash windows. Designed to replicate classic period styling while delivering modern performance, they’re the ideal solution for character properties looking to improve comfort, security, and energy efficiency without compromising on appearance.

Manufactured to the highest standards, our sliding sash windows help reduce heat loss, lower energy bills, and enhance kerb appeal — making them a smart, cost-effective upgrade for both traditional and modern homes.

Key Features & Benefits

•  Authentic Timber Aesthetics – Fully featured ovolo detailing and an optional deep bottom rail recreate the traditional look of timber box sash windows.

•  Smooth, Effortless Operation – A gas-spring balanced sliding system ensures easy opening and closing every time.

• Ideal for Replacement Projects – With a 128mm front-to-back frame depth, our uPVC vertical sliders are perfectly suited for traditional sash window replacements.

• Easy Cleaning Design – Tilt-in sashes allow safe and simple access to the exterior glass from inside your home.

•  Balanced Sightlines – Available with large and small sash options to maintain consistent proportions and authentic styling.

• Enhanced Period Details – Optional Georgian bars (internal or external) and sash horns for added character and heritage appeal.

•  Custom Finishes – Choose from a wide range of frame colours, furniture finishes, and moulded trims to suit your property.

• A-Rated Energy Efficiency – High-performance glazing helps keep warmth in and energy costs down.

• Long-Term Peace of Mind – Supplied with a 25-year lifetime parts and labour warranty.

• Expert Installation – Professionally installed in a variety of colours by our MTC-approved installers.

Our uPVC vertical sliding sash windows combine timeless design with modern efficiency, delivering warmth, style, and lasting value for your home.