In recent years, Western Windows, a division of Western Building Systems has become a pioneering, market leading provider of window and door solutions throughout UK and Ireland.

From our purpose-built manufacturing and full service base in Co Tyrone, we are now in a position to offer a range of window systems, each affording accelerated construction timescales, reduced negative environmental impacts, and predetermined and controlled project costings.

We specialize in the supply and fit of both Aluminium & uPVC Windows and doors – and we have brought this expertise to bear across a range of sectors, including health, education, commercial, and residential. Within our range we offer as standard certified ‘A’ Rated Aluminium and PVC windows, with all our products and services achieving certified ISO9001 standards

Aluminum Glazing

A rated windows will make a significant coantribution the heat retention of a building and in turn significantly reduce the heating costs helping the end user save money. Our Windows division is at the forefront of the window industry and was the first company in Northern Ireland to design, manufacture, supply and install a dualframe aluminium ‘Green Window System’ that has achieved an ‘A’ Window Energy Rating. This product, certified by the British Fenestration Rating Council (BFRC), uses the latest, state-of-the-art materials to ensure our clients with the best in energy efficient, environmentally friendly windows.


The product simplifies the process for architects and clients to demonstrate compliance with the window energy rating requirements on the design of buildings and that our approach highlights continued commitment to the environment and our customers with the company producing an ever growing list of energy rated windows and products. This sustainable approach is clearly evident in the company’s R&D, and is testament of our commitment to clients and home owners by producing products that will significantly reduce the Life Cycle Costs of a building, saving considerable money. Such an investment in this type of window makes financial sense as according to the Energy Saving Trust, nearly a fifth of heat lost from homes is through the windows.

If you are considering a window project, or you would just like to have a chat to us about future aspirations, please don’t hesitate to contact us