Go Back

uPVC Casement Windows

Stylish, secure & energy efficient.


Durable Hardware

Stainless steel friction stays provide enhanced security and have been tested to 20,000 cycles.


Chamfered Rebate

Choose a chamfered rebate detail for a simpler and more contemporary look.


Secured by Yale

Yale high security shootbolt locking system carries Yale's 10 year insurance backed guarantee.


Hinge Protection

Stay Guard Elite device withstands twice the force required by Secured By Design testing.


Slim Sightlines

Ultra slim sightlines allow for a larger area of visible glass, providing more light and enhanced views.


A+ Energy Rated

Liniar's state of the art window system is engineered to be capable of achieving a WER of A+12.

Liniar Casement Windows

Our Liniar uPVC casement windows offer high levels of security & energy efficiency. 100% recyclable, Liniar casement windows are also environmentally friendly. Completely lead free, our windows reduce environmental damage, meeting EU & UK legislation ahead of time.

Desirable Design

Offering attractive and stylish design features, our Liniar casement windows are created with ultra slim sightlines. This allows for improved visibility thanks to the enlarged area of glass panes in each casement window.

Chamfered Rebate

The design of our casement windows is enhanced with the use of chamfered detail; a flat surface created from cutting a straight edge. A desirable option for simplistic style and contemporary aesthetic.

A Personal Touch

Our Liniar casement windows are specifically manufactured to meet your individual requirements. Hinge options, colour choices and glass designs are all available in a wide selection. Choose from our bespoke range of handle colours for a little extra personality - White, Black, Chrome, Gold or Silver, the choice is yours.


These windows are suited to a multitude of different applications. Their single lever latch design allows for ease of operation making them ideal for hard to reach places within your home. The UPVC casement window swings open and freely, making them easy to open and close.

Minimal Maintenance

Our Liniar uPVC casement windows are built to last. They will never rot, warp or require re-painting. Hinges only need to be lubricated once in a while to ensure the window functions optimally.

Energy Saving Trust Recommended

We supply the energy plus range of six-chambered profiles as standard. Our uPVC casement windows are a highly energy efficient product with our double glazing achieving a Window Energy Rating of A+12, making brilliant thermal insulators. As a result, our casement windows achieve the highest possible BFRC window energy rating in the industry. The greater the energy efficiency of your casement windows, the more money you will save on your heating bills.

Exceptional Security

Feel safe and secure with a high security Yale locking system. Your Yale hardware is covered by a 10 year security guarantee as well as a £1000 insurance contribution in case of a break-in.

Hardware and Accreditations

Each uPVC casement window is built with exceptional hardware to ensure a long lasting performance.

Trojan 'Mega' Egress Hinge

The Trojan 'Mega' egress hinge helps maintain smooth and easy operation for lifelong performance.

Kitemark Approved

Kitemark approved and BBA accredited, our double glazed casement windows carry the BS 7412 and PAS 24 Kitemark Licence.This means our casement windows provide maximum security and weatherability.

Casement Window Hinge Options

Hinge options include the Standard Hinge, the Fire Egress Hinge and the Easy Clean Hinge.

Standard Hinge

Manufactured in Britain, our steel hinges are built using highly durable stainless steel for superb anti-corrosion qualities. Where required, our standard hinges for casement windows also come in an additional finish for extra corrosion protection.

Egress Hinge

Our egress hinge option provides you with a simple, smooth operation whilst also offering an emergency escape route in case of a fire. All our Liniar uPVC casement windows come with the exclusive Trojan 'Mega' egress hinge.

Easy Clean Hinges

Our easy clean hinges allow you to have access to both sides of the window, making cleaning easy and hassle free. These clever hinges are particularly suited to high-rise homes where the outside of the window is hard to reach.