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Innovative and intelligent designs that maximise energy-efficiency and security for your home.
The Perfect uPVC Window Profile
Security
Consisting completely of British engineering, Liniar uPVC windows only use the highest quality uPVC available. Not only are these uPVC window built to last, but they also consist of high levels of inherent security. The quality of uPVC has an inherent robustness and rigidity, that is greatly resilient to force.
Internal structures are fitted inside all Liniar uPVC windows in order to allow for integrated reinforcement. Not only does this greatly increase window profile strength, it also means that you won’t need to invest in any costly steel reinforcement.
Due to their fantastic design, structural integrity and longevity are assured. All Liniar profiles are accompanied with a 10-year guarantee, which covers you against cracking, warping or discolouration from the date of installation. All Liniar products are built to last.
Every uPVC window from Liniar is fitted with the world-class locking system from Yale. These locking systems combine a myriad of features to achieve a level of security that is completely unrivalled in every way.
Thermal Efficiency
We all know how comforting a warm home can be on a cold winter’s day, and this brought to you by the heat retention of your home. Liniar uPVC windows.
All Liniar uPVC windows are fitted with size-optimised chambers that break up mini-convection currents and trap in pockets of warm air. This results in a greatly reduced level of heat transfer and therefore keeps your heating inside where you pay for it to be.
They also feature a unique ‘glazing flipper’ gasket, which greatly reduces cold transfer, water ingress and noise pollution. This not only maintains a high level of thermal efficiency, it also maintains the quality and comfort of your home.
All Liniar uPVC windows effortlessly achieve an exceptional WER of A+, which is a fantastic illustration of the standard of thermal efficiency that they achieve. Liniar uPVC windows simply offer more.
Weatherproofing
Modern innovation means that all Liniar uPVC windows feature specially designed profile contours, which maximise natural drainage. This prevents moisture from building up on your windows and compromising performance and structural integrity.
The unique ‘glazing flipper’ gasket that is present in all Liniar uPVC windows ensures that all windows maintain tight weather seals. This means that your home won’t suffer from leaks, draughts or escaping heat.
Liniar uPVC windows cover you throughout and ensure high levels of performance across the board.
Featured Windows
Casement Windows
Liniar Casement Windows combine style, security and energy efficiency. With ultra-slim sightlines, Yale locks, Stay Guard Elite hinges, and a chamfered finish, they offer long-lasting performance and a sleek look. Achieving WER A+ and tested to 20,000 cycles, they are a timeless, practical choice for any modern home.
Flush Sash Windows
Liniar Flush Sash Windows offer a timber-style appearance with modern uPVC benefits. Designed with flush-fitting frames, they suit both traditional and modern homes. Low maintenance and high security with Yale locks, they combine heritage charm with WER A+ efficiency, no sanding, painting or treating required, just effortless performance and style.
Tilt & Turn Windows
Liniar Tilt and Turn Windows are smart, flexible and secure. The tilt-only function boosts ventilation without sacrificing safety. Concealed hardware enhances aesthetics and protection. With Yale locks and A+ energy efficiency, these windows blend European styling with multifunctional performance, perfect for modern living with practicality and elegance.
Sliding Sash Windows
Liniar Sliding Sash Windows combine traditional elegance with cutting-edge design. A spring balance mechanism ensures smooth operation, while Yale locks and restrictors provide safety. Thermally efficient and finger-safe, these windows capture the classic look of timber sash without the high maintenance or draughts, offering style and security in one.
Sash Horn Windows
Liniar Sash Horn Windows blend period styling with modern ease. Designed like sliding sash, but operated like casement windows, they feature integrated uPVC horns for authentic charm. With Yale shootbolts, weather sealing and durable efficiency, they offer heritage aesthetics with advanced performance and a sleek, screw-free finish.
French Casement Windows
Liniar French Casement Windows create open, airy views with a flying mullion for unobstructed space. Opening to 90°, they boost light and can act as a fire escape. With high thermal performance, Yale security and contemporary French charm, these windows offer safe, stylish ventilation with a continental flair.
Looking for uPVC Windows?
Take a look at the range of styles of uPVC Windows. Everything from style to colour is customisable to match your home.
Looking for a Double Glazed Door?
See the range of double glazed door styles. Each door can be customised to suit your room in a variety of styles and colours.
Get an online quote from trusted local installers with our simple quote builder
Our easy to use tool provides you with an online quote on double glazed windows, doors or conservatories from local, trusted double glazing companies.