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Writer's pictureHarrington Windows

Which is Better uPVC or PVC Windows?

uPVC vs PVC windows, uPVC windows advantages, PVC windows drawbacks, uPVC vs PVC comparison, best window material for homes

When choosing new windows for your home, you may have come across both uPVC and PVC windows.


While these terms are often used interchangeably, there are significant differences between them that could impact your decision.


In this article, we'll explore the key differences, benefits, and drawbacks of uPVC and PVC windows to help you decide which option is better for your home.



1. What is the Difference Between uPVC and PVC?


PVC (Polyvinyl Chloride)

PVC is a synthetic plastic polymer used in a variety of products, from plumbing pipes to window frames. It is highly versatile but not very suitable for window frames in its standard form due to its lack of durability and flexibility.


uPVC (Unplasticised Polyvinyl Chloride)


uPVC is a more rigid version of PVC. The term "unplasticised" means that no plasticisers (chemical additives that increase flexibility) have been added. uPVC is more durable, weather-resistant, and commonly used for window frames because it retains its shape, strength, and insulating properties over time.




2. Key Differences Between uPVC and PVC Windows


Feature

uPVC Windows

PVC Windows

Durability

Highly durable and long-lasting

Less durable, prone to warping

Flexibility

Rigid, holds shape well

More flexible, can lose shape over time

Maintenance

Low maintenance, resistant to corrosion

Requires more maintenance

Weather Resistance

Excellent, ideal for harsh climates

Poor resistance to weather

Insulation

Provides excellent thermal and sound insulation

Less effective at insulation

Cost

Slightly more expensive than PVC

Cheaper but less durable

Eco-Friendliness

Fully recyclable

Less eco-friendly due to additives


3. Advantages of uPVC Windows


uPVC windows are a popular choice for modern homes, and for good reasons:


a. Durability

One of the biggest advantages of uPVC windows over PVC is their superior durability. uPVC does not warp, crack, or discolour, even in extreme weather conditions. This makes them ideal for homes in areas with harsh climates.


b. Low Maintenance

uPVC windows are virtually maintenance-free. Unlike PVC, they don’t require repainting, and they are resistant to corrosion and rot. Cleaning uPVC windows only requires a quick wipe-down with a cloth, making them a low-maintenance choice.


c. Energy Efficiency

uPVC windows offer excellent insulation, keeping your home warm in the winter and cool in the summer. This helps to reduce energy consumption and can lower your energy bills.


For more information on the energy efficiency of uPVC, you can read our detailed guide on how upgrading your windows can save you energy and money.


uPVC vs PVC windows, uPVC windows advantages, PVC windows drawbacks, uPVC vs PVC comparison, best window material for homes


4. Drawbacks of PVC Windows


PVC windows, although less common for window frames, may appear cheaper upfront, but they come with several disadvantages:


a. Prone to Warping

PVC is more flexible than uPVC, which means it can warp or lose shape over time, especially in high temperatures or harsh weather conditions. This can lead to issues with window functionality and longevity.


b. Less Energy Efficient

PVC windows are not as good at insulating homes as uPVC windows, meaning your home could lose heat more quickly, resulting in higher energy bills.


c. Higher Maintenance

PVC windows require more maintenance over time, as they are more prone to wear and tear, discolouration, and the need for repainting.



5. Which is Better: uPVC or PVC Windows?


For most homeowners, uPVC windows are the superior choice due to their durability, energy efficiency, and low maintenance. While PVC windows may be cheaper, their reduced lifespan and higher maintenance costs often make them a less attractive option in the long run.


Conclusion: Should You Choose uPVC or PVC?


In conclusion, uPVC windows offer significant benefits over PVC windows for long-term performance and value. If you’re looking for windows that are energy-efficient, durable, and low maintenance, uPVC is the way to go. While PVC may seem like a budget-friendly option upfront, the long-term costs associated with maintenance and potential repairs can make uPVC the better investment.


Ready to upgrade to uPVC windows? Visit our uPVC windows page for more information, or contact us to get a quote.



So, knowing all of the benefits is one thing, but actually going through the process of turning your project vision into reality is another. But don't worry, that’s exactly why we're here.



Why Harrington Windows?

Your Vision, Our Expertise.


Harrington Windows, house windows, timber windows, uPVC windows, sash windows, double glazed windows, energy-efficient windows, bespoke window design, traditional sash windows, modern uPVC windows, timber sash windows, window replacement, window installation, secure windows, double glazing, heritage windows, high-quality windows, custom window solutions, premium windows, home renovation windows, durable uPVC windows, timber window frames

With over 25+ years of experience, Harrington Windows has mastered the art of bringing premium window renovations to life. Whether you’re considering classic timber windows, energy-efficient uPVC options, or bespoke sash windows, we combine skilled craftsmanship with a deep understanding of your unique style.


From consultation to installation, we ensure every detail is meticulously managed so your home stands out in elegance and functionality.




The Benefits of choosing Harrington Windows

house windows, timber windows, uPVC windows, sash windows, double glazed windows, energy-efficient windows, bespoke window design, traditional sash windows, modern uPVC windows, timber sash windows, window replacement, window installation, secure windows, double glazing, heritage windows, high-quality windows, custom window solutions, premium windows, home renovation windows, durable uPVC windows, timber window frames



What Our Clients have to Say







From Quote to Completion: How It Works


Harrington Windows, house windows, timber windows, uPVC windows, sash windows, double glazed windows, energy-efficient windows, bespoke window design, traditional sash windows, modern uPVC windows, timber sash windows, window replacement, window installation, secure windows, double glazing, heritage windows, high-quality windows, custom window solutions, premium windows, home renovation windows, durable uPVC windows, timber window frames


10 Key Features that Set Us Apart


  1. Bespoke Design – Customisable windows tailored to fit your exact specifications.

  2. High-Quality Materials – Premium timber, durable uPVC, and robust alternative options.

  3. Double & Triple Glazing – Superior insulation to maintain indoor comfort.

  4. Enhanced Security Features – Secure locking mechanisms for maximum safety.

  5. Noise Reduction – Keep your home quiet and peaceful with our advanced glazing solutions.

  6. Weather-Resistant Finish – Windows that withstand the harshest weather conditions.

  7. Low Maintenance – Easy-to-clean materials that retain their beauty over time.

  8. Eco-Friendly Solutions – Sustainable materials and energy-efficient designs.

  9. Expert Installation – Professional fitting by our team of experienced installers.

  10. 10-Year Guarantee -Enjoy complete peace of mind with our decade-long warranty on all installations.



Ready to Start Your Project?


Take the first step toward your dream home renovation today. Let’s create a space that reflects your style and stands the test of time.





Harrington Windows, house windows, timber windows, uPVC windows, sash windows, double glazed windows, energy-efficient windows, bespoke window design, traditional sash windows, modern uPVC windows, timber sash windows, window replacement, window installation, secure windows, double glazing, heritage windows, high-quality windows, custom window solutions, premium windows, home renovation windows, durable uPVC windows, timber window frames



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