
Liniar uPVC Double & Triple Glazing Windows
Introducing the Liniar uPVC range of Slim Designed Windows.

Casement Windows
70mm Casement Window
Combining a classic uPVC design with modern innovation, casement windows remain a timeless and popular choice for home improvements. Liniar has developed an industry-leading, energy-efficient profile featuring slim sightlines, seamlessly updating the traditional casement window for the 21st century. Moreover, the 70mm profiles boast excellent thermal efficiency, incorporating the latest multi-chambered profile technology. Additionally, their slim sightlines maximize natural light.
Flush Sash Windows
70mm Flush Sash Window
Inspired by traditional timber joinery, the design of flush sash windows allows the sash to sit perfectly flush within the frame. These windows are perfect for homeowners seeking to add a touch of traditional charm to their homes.
Moreover, sleek and flush with no visible uPVC overlap, Liniar’s 70mm flush sash windows provide the thermal efficiency of uPVC while maintaining the elegant look of timber.


French Windows
Infusing your home with continental charm, Liniar French windows provide a versatile, wide opening. They are perfect for use as a fire escape on upper floors or for enhancing ventilation throughout your home.
Moreover, with both sashes opening outward from the center, Liniar French windows create a fully open aperture for unobstructed views. This design offers uninterrupted vistas and allows both panes to open simultaneously without a central bar, making them suitable as a fire escape.
Bow & Bay Windows
Bow and bay windows, available in curved, angular, or rectangular designs, enhance the natural light in your home. You can craft them from a variety of Liniar’s uPVC window styles.
Moreover, bow or bay windows add character and extra space to your home by increasing natural light and creating a focal point in any room.
Furthermore, Liniar’s bay or bow windows enhance both the interior and exterior of your home, providing instant curb appeal.


Tilt & Turn Window
Liniar’s 70mm tilt and turn window style offers the perfect balance of ventilation and security. This design allows fresh air to flow into your home while enabling you to easily clean the exterior from the inside.
Moreover, the original Liniar 70mm uPVC tilt and turn windows offer exceptional versatility. Homeowners can fully open them from the side, making them ideal for fire escapes, or tilt the pane for controlled ventilation by simply adjusting the handle position.
Double Glazed Windows
The Eco Energy Range uses the 70mm profile, which is thermally efficient with a U-Value of 1.3W/m²K. Its 6 multi-chambered frame utilizes the latest in profile technology, while slim sightlines allow maximum natural light.
Moreover, it comes with a high-security, multi-point locking system as standard.
Additionally, the standard glazing is 28mm, but other options are available. With Liniar's patented co-extruded bubble gasket included in each uPVC profile or frame, you can achieve the highest energy ratings.


Triple Glazed Windows
- The Eco Energy Plus boasts an impressive Thermal Transmittance (U-Value) of just 1.0 W/m²K, and furthermore, it has an energy rating of A++.
- Additionally, a triple glazed window features three panes of glass to protect your property, offering an extra barrier compared to the two panes within a double glazed sealed unit.
- Moreover, the Eco Energy Plus window system utilizes its 6 multiple chambers to lock in the heat, and high-performing bubble gasket seals to ensure there are no gaps for heat to escape.
- Finally, the system is equipped with a 36mm thick triple glazed sealed unit, providing beneficial insulation, soundproofing, and security.
Multi - Chambered Frames
With rising energy bills, increasing environmental concerns, and ever-stricter building regulations, selecting a window system with high Windows Energy Ratings (WER) is a smart choice.
Moreover, Liniar’s lead-free, multi-chambered profile, patented co-extruded bubble gasket, glazing flipper, and thermal dam ensure top energy efficiency. Additionally, you don’t need costly triple glazing to achieve the highest energy ratings—Liniar window systems easily attain a WER of A++ and U-values as low as 1.2 W/m²K with affordable double glazing.

Get a Handle on Your Options




As well as choosing your New Window Design and Colour, you may also need to consider the handle option. To complement your window, handles now come in a variety of styles and colours. The standard design is called Espag, a French term abbreviated from the word Espagnolette.
Moreover, the colour options are: White, Black, Gold, Chrome, Satin, Bronze, Graphite, Grey, and Antique Black. Another style is called Monkey Tail, available in Black, Graphite, Chrome, and Gold.
Obscure Glass
Obscure glass, also known as privacy glass, reduces transparency, making it difficult to see through while still allowing light to pass through.
Moreover, this type of glass is often used in areas where privacy is important, such as bathrooms, bedrooms, and office partitions. Additionally, obscure glass can be a stylish and functional addition to any space where you want to balance light and privacy.
