Look no further than Sternfenster for uPVC. At our cutting edge facility, we use the latest extrusion techniques to ensure our products are ahead of our competitors. Our uPVC windows are high performance and fully recyclable.
Discover our industry leading products. We have a wide range of high quality windows and doors to enhance your home improvement project.
Explore our market leading products in more detail by looking through our interactive brochures and watching our videos.
We can put you in touch with a local trusted installer near you. Use our service to locate a qualified fitter in your local area.
Once your high quality new products are installed, enjoy the peace of mind, looks and security that our products will give you for years to come.
Family run business, established since 1974 with 50 years industry experience.
Find out moreWe were the 1st fabricator in the UK to offer a seamless graf-weld on uPVC windows and doors.
Find out moreJoin our Approved Installer Network for exclusive product guarantees, marketing materials, business mini-site and monthly lead generation.
Find Out MoreWe supply industry leading windows and doors from just 5 days.
Start Selling SternfensterWe are one of the most transparent manufacturers in the industry. We’ve got nothing to hide. Learn all there is to know about Sternfenster and why it makes sense to choose us as your supplier of choice to help you grow.
We know our industry leading products will meet all your expectations and more. Discover how you can transform your home with Sternfenster today.
Join us and take advantage of exclusive trade offers from Sternfenster today.
uPVC Windows
Aluminium Windows
Bi-Fold Doors
View some of our most recent projects and see what customers have to say about us. We have supplied everything from modern new builds to traditional properties and renovations.
We are one of the largest, and most established names in the double glazing industry.
As industry leaders, we are ensuring our products are manufactured sustainably and that they cut down on carbon emissions. All this forms part of our commitment to achieve Net Zero by 2050.
Greener
We are cutting down on carbon emissions in line with the government's Net Zero Strategy.
Thermal Efficiency
With lower carbon emissions through more energy efficient windows, homeowners reduce on heating costs.
Recyclable
100% recyclable and widely recycled. Our products contribute to a circular economy.
Help your customer to enhance their home with fully accredited, quality made windows and doors. All of the options we offer have been tried and tested to ensure that they offer the highest standards of thermal efficiency, security and durability.
Get access to the most competitive trade prices today.
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We offer lead times as quick as five days. Choose Sternfenster for fast turnarounds.
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We offer dedicated marketing support to our trade customers, providing them with all the collateral they need, from brochures to videos and software.
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Enhance your sales with fully accredited, quality made windows and doors.
hover to see more
We offer dedicated marketing support to our trade customers, providing them with all the collateral they need, from brochures to videos and software.
hover to see more
Look no further than Sternfenster for uPVC. At our cutting edge facility, we use the latest extrusion techniques to ensure our products are ahead of our competitors. Our uPVC windows are high performance and fully recyclable.
Our aluminium range is sturdy, corrosion resistant and built to last. We build with environmentally friendly materials for high performance, aluminium casement windows.
We are all in on our mission to reduce carbon emissions within the double glazing industry, including a personal commitment to achieve Net Zero by 2050.
Greener
Lower carbon manufacture using recycled materials
Warmer
Making homes more energy efficient
Recyclable
100% recyclable and widely recycled
Find your nearest approved installer with Sternfenster today.