Based in Warrington and servicing the majority of the country, Sterling is one of the longest established and most highly regarded manufacturers of windows, doors, and conservatories in the United Kingdom. A privately owned company that has been built on the principles of providing customers with high quality products that are manufactured from market leading components, at the most competitive prices available.

PVCu, Aluminium and Composite

Founded in 1993, Sterling has continued to invest for the benefit of its customers and employees. Product innovation is a cornerstone of the business and a comprehensive range of high security, energy-efficient products manufactured to customers’ specific requirements, are now available in PVCuAluminium and Composite materials.

Whether you are a homeowner, trade installer or specifier we have dedicated staff at hand that can offer advice and assist with whatever project or installation you have coming up.

Because we are a manufacturer, we manage every step of the process from sourcing components through to delivery on our own vehicles and our aim is to provide you with first class products and services at the most competitive rates available.

Many of our trade customers have been buying from us for many years and the majority of our domestic work comes from recommendations. This doesn’t happen by accident, we are good at what we do and 21 years of continual growth gives testimony to the service levels and product quality we provide.

PVCU Windows Warrington | Conservatories | Doors


Looking for PVCU windows in Warrington ? Look no further than Sterling. Our PVCU windows are manufactured using the market leading components. For PVCU windows we use the Eurocell Eurologik 70mm system.


If you want to extend your living space or simply ‘open up’ your house to your garden, conservatories from Sterling will exceed your expectations and increase the value of your home. We can provide expert advice on what style of conservatory would best suit your home from traditional to contemporary.


No matter what style or size of door you want we will be able to help. We have a dedicated doors manufacturing factory in which we fabricate a complete range of PVCu doors Composite and Aluminium doors to the highest standards that compliment any home.


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