Why us?

Stellar is produced only by Epwin Window Systems, the UK’s largest systems house. Part of the Epwin Group, this is a strong and stable British business with unrivalled expertise in glazing.

Epwin Group is an organisation which thrives on innovative products and has a long-term commitment to UK manufacturing. Substantial and continuing investment in its production facilities, its quality management systems and its team has been delivering excellence in windows and doors for more than 40 years.

Epwin is a highly reputable business. It chooses to work only with trusted and reliable window and door fabricators. It is active in trade and industry bodies and takes a leading stance in environmental initiatives.

Its products are low-maintenance, durable and energy efficient.

Widely known for its expertise with PVC-U windows and doors, Epwin Window Systems has now brought its forward-thinking approach to aluminium and – unhindered by a legacy of merely adequate design – has raised the bar.

Why Us? Because Stellar is a better aluminium system for windows and doors.

Epwin at a glance:

  • Over 40 years in business
  • Specialists in low maintenance building products
  • Turnover of £300m
  • Over 2500 employees
  • Products designed and manufactured in the UK, for UK markets
  • Leading supplier to retail, trade, new build and commercial markets
  • Unrivalled fabricator and installer support.

Stellar manufacturing

Our operation has the capacity to produce 4.7 million metres of Stellar products per annum. We have installed a state-of-the-art powder coating plant which is fully automated and uses the latest, environmentally friendly, chrome-free technology. Our thermal break clipping line uses advanced CNC control and has exclusive rights to the gasket insertion system.

Every input is sourced from the most trusted suppliers and our quality testing lab is equipped with the latest technology. Finally, at despatch, products are individually packaged for protection and delivered by a dedicated fleet.