Extreme UPVC Windows
5 Star’s most popular UPVC window range.
UPVC window performance at it's finest...
5 Star’s Extreme UPVC Windows combine A+ rated double glazing with advanced multi-chambered frames to deliver outstanding energy efficiency, superior security and long-lasting durability. Designed to minimise heat loss and reduce noise, they keep your home comfortable throughout the year. With low maintenance, premium finishes and a wide choice of styles, they’re a smart, high-value upgrade for any property.
Why choose 5 Star’s double glazed Extreme UPVC windows?
With 5 Star’s collection of Extreme UPVC windows – there’s no need to shop around. Each Extreme window has many benefits and our team is ready to guide you through the advantages of this incredible window range.
20 year guarantee
Our most energy efficient
Choice of windows styles
Manufactured in Britain
Premium locks & hardware
Broad range of colours
Explore 5 Star’s Extreme UPVC window styles.
120
k+
Installations
Proudly transforming homes with new windows & doors across the West Midlands region for 1,000s of customers.
23
+
Experience
Over 20 years of expert craftsmanship built on proven industry expertise in the West Midlands region.
20
Years
5 Star guarantee that offers you complete protection and a lifetime of reassurance for your new windows.
98
%
Satisfaction
Over 98% of customers highly recommend 5 Star to their family and friends throughout the West Midlands region.
Extreme UPVC Windows security features
Security is at the heart of every Extreme UPVC window. We’ve engineered each design with advanced protection features, giving you complete confidence in your home’s safety.
Our popular window colours
Our most popular Extreme UPVC window colours are chosen for their timeless style, durability and ability to complement any home. From classic whites to contemporary greys and woodgrain finishes, these best-selling shades offer the perfect blend of elegance, practicality and long-lasting appeal.
Our popular window handles
Our most popular window handles come in a choice of White, Black, Chrome, Satin, Gold and Graphite, giving you stylish, durable options to suit any window design. Each finish offers a refined look and smooth operation, helping you tailor every detail of your home’s décor.
Decorative window finishes
5 Star’s Extreme Windows can be tailored with a range of decorative finishes to suit your home’s style. Choose from beautiful decorative glazing, privacy glass for added discretion, classic lead designs or traditional Georgian bars. Each option enhances character, boosts kerb appeal and helps you create a look that feels truly individual.
We can make the money bit easier..
We offer a range of flexible finance options tailored to you, including the chance to order with a low deposit and spread the cost in a way that suits your budget.
Common questions about UPVC windows
Choosing new windows is a big decision, and 5 Star’s Extreme UPVC Windows gives you outstanding performance, style and long term value. To help you feel confident in your upgrade, we’ve answered the most common questions homeowners ask about our bestselling, high-spec windows and the benefits they bring to your home.
1. What makes 5 Star’s Extreme UPVC Windows better than standard windows?
Extreme UPVC Windows are built for higher performance, offering superb energy savings, stronger security features and long-lasting durability. They’re designed to outperform typical UPVC windows, giving your home better comfort, better protection and better value.
2. Do Extreme UPVC Windows help reduce noise?
Yes. Their insulated frames and high-quality double glazing help block out unwanted noise from traffic, neighbours and outdoor activity. Many homeowners notice a quieter, more peaceful home straight after installation.
3. Are Extreme UPVC Windows suitable for older homes?
Absolutely. With a choice of window colours, finishes and styles, they suit both modern and traditional properties. Woodgrain options even mimic timber without the maintenance, helping you keep the character of your home while improving efficiency.
4. Can I customise the look of my Extreme UPVC Windows?
Yes. You can choose from popular colours, stylish hardware finishes and multiple glazing options. Whether you prefer classic or contemporary styling, 5 Star lets you tailor your windows to create the perfect look for your home.
5. How secure are 5 Star’s Extreme UPVC Windows?
They include cutting-edge security features such as multi-point locks, reinforced hinges and internal glazing. These upgrades make them far more secure than older windows, giving your home strong protection and giving you peace of mind.
6. Will Extreme UPVC Windows improve my home’s warmth?
Yes. The multi-chambered frames and advanced double glazing work together to reduce heat loss and eliminate draughts. Your home stays warmer for longer, helping cut energy bills and creating a more comfortable environment all year round.
7. Do Extreme UPVC Windows come with a guarantee?
5 Star provides a 20 year guarantee for long-term peace of mind. You’re protected against manufacturing faults, frame issues and hardware problems, ensuring your investment delivers lasting performance.
8. Are Extreme UPVC Windows worth the investment?
Definitely. They make your home more energy efficient, more secure and more attractive, benefits that add real value. Customers often see lower heating costs, improved comfort and stronger kerb appeal, making Extreme UPVC Windows a smart upgrade with long-term rewards.
5 Star customer reviews
Don’t just take our word for it, read a selection of reviews from our customers in Warwickshire, Worcestershire, Herefordshire and the West Midlands regions and their experiences with 5 Star Windows & Conservatories.
Request your free window & door quote
Simply fill in your details for your free, no-obligation quotation, and click “Get Quote.”
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