Windows

A Trade Window supplier you can count on


At Window Supply Company, we pride ourselves on providing the highest quality products available on the market.

That’s why we supply Liniar uPVC windows; the most technically advanced uPVC window system in the UK.

Liniar windows not only offer stunning aesthetics but have been developed using the very latest in multi-chambered technology. Liniar removes unnecessary steel reinforcement from their windows improving energy efficiency and cost-effectiveness while being a fantastic environmentally friendly option due to their easily recyclable frames.

All profiles accept double or triple glazing.


Casement windows


  • Durable and versatile
  • Secure
  • Environmentally friendly
  • Available in a range of colours and sizes


Casement windows provide the very highest levels of security and thermal performances. They offer total versatility and remain the most popular window choice in the UK.

Casement windows are highly customisable, and their design features are endless. Liniar casement window frames are 100% lead-free and are fully recyclable.


Reversible windows


  • Easy to maintain and install
  • Ideal for commercial projects
  • Easy to clean
  • Stylish and safe


Reversible windows are a convenient, stylish and safe option. They are a popular choice for difficult to access locations, such as upper levels of multi-storey buildings. This makes them the perfect option for trade and commercial projects.

The sash rotates a full 180⁰ for safe and easy cleaning.


Tilt and Turn windows


  • Multi-functional
  • Easy cleaning
  • Flexible ventilation
  • Ideal for small spaces
  • Child-friendly


Offering a range of ventilation options, tilt and turn windows are ideal for small spaces. Fully adjustable, they are a multi-functional window option and can be turned all the way around for cleaning from the inside. They are convenient, safe, and easy to maintain. This makes them suitable for both residential and commercial projects.