When upgrading or replacing your windows, two of the most popular options in the UK are uPVC windows and sash windows.
Both have their own unique advantages, depending on your home's style, budget, and functional needs.
This guide will help you explore the differences between uPVC vs sash windows, so you can make the best decision for your property.
1. What Are uPVC Windows?
uPVC windows (Unplasticised Polyvinyl Chloride) are widely chosen by UK homeowners for their durability, energy efficiency, and low cost. uPVC is a weather-resistant plastic material that doesn’t corrode, making it a long-lasting and low-maintenance option. Available in a variety of styles and finishes, uPVC windows are an ideal choice for modern homes seeking affordability and practicality.
Key Benefits of uPVC Windows
Affordability: One of the most affordable window options, uPVC windows are generally cheaper than sash or timber windows.
Energy Efficiency: uPVC windows provide excellent insulation, helping reduce heat loss and keeping homes warm during the winter. They work well with double glazing or triple glazing, further boosting energy savings.
Low Maintenance: Unlike timber windows, uPVC windows do not need to be repainted or varnished. A simple wipe with soap and water is all that’s required to keep them looking fresh.
For more details on the energy efficiency and modern design of uPVC windows, check out our guide on the benefits of uPVC windows.
2. What Are Sash Windows?
Sash windows are a classic British design, featuring movable panels, or "sashes," that slide vertically or horizontally to open. They have been a staple in UK homes for centuries, especially in Georgian and Victorian properties. While originally made from timber, sash windows are now also available in uPVC, offering the same timeless aesthetic with the benefit of modern materials.
Key Benefits of Sash Windows
Traditional Aesthetic: Sash windows are known for their classic design, making them ideal for period homes or homes in conservation areas where maintaining historical character is essential.
Superior Ventilation: By allowing both the top and bottom sashes to open, sash windows offer better control over airflow and ventilation compared to other window types.
Heritage-Friendly: For homes in conservation areas or listed buildings, sash windows are often required to preserve the architectural integrity of the property. Modern uPVC sash windows offer a blend of tradition and contemporary convenience.
Learn more about how sash windows can enhance the beauty and function of your home in our guide to sash windows.
3. uPVC vs Sash Windows: Key Comparisons
Let’s break down the key differences between uPVC windows and sash windows to help you choose the right option for your home.
Feature | uPVC Windows | Sash Windows |
Aesthetic Appeal | Modern, sleek appearance | Classic, traditional design |
Energy Efficiency | High, especially with double or triple glazing | Moderate, improves with modern glazing options |
Durability | Highly durable and weather-resistant | Durable but timber versions require more maintenance |
Cost | Affordable, £500 - £1,200 per window | Higher cost, especially for timber (£900 - £1,500 per window) |
Maintenance | Low maintenance, easy to clean | Requires more upkeep, especially with timber |
Customisation | Limited in custom shapes, various colour options | Highly customisable for size, finish, and glazing |
Best For | Modern, budget-friendly homes | Period properties, conservation areas |
4. uPVC Sash Windows: The Best of Both Worlds
For homeowners who want the traditional look of sash windows with the practicality and affordability of uPVC, uPVC sash windows are an excellent choice. These windows combine the sliding sash design with the low-maintenance and energy efficiency of uPVC, making them perfect for those seeking a blend of old-world charm and modern benefits.
Benefits of uPVC Sash Windows
Lower Maintenance: uPVC sash windows do not need repainting like timber sash windows. They resist rotting and warping, making them ideal for low-maintenance living.
More Affordable: While they carry a higher price tag than standard uPVC windows, uPVC sash windows are generally cheaper than timber sash windows, offering a cost-effective compromise.
Energy Efficient: With double glazing options, uPVC sash windows can improve your home's insulation and reduce energy bills.
Learn more about the advantages of uPVC sash windows.
5. What’s the Best Choice for Your Home?
Deciding between uPVC windows and sash windows depends largely on your home’s architectural style, your budget, and your personal preferences. Here’s a quick guide to help:
Choose uPVC Windows If:
You’re looking for a cost-effective, low-maintenance solution.
Energy efficiency and reducing heating bills are a priority.
You prefer a modern design for your home.
Choose Sash Windows If:
You live in a period property and want to maintain its historical integrity.
A classic, traditional aesthetic is important to you.
You don’t mind higher maintenance for a more elegant, timeless look.
For a combination of both, uPVC sash windows may offer the best of both worlds, delivering traditional style with modern performance.
Conclusion: uPVC vs Sash Windows – Which Wins?
Choosing between uPVC windows and sash windows comes down to your specific needs. uPVC windows are the go-to for homeowners seeking affordability and efficiency, while sash windows add timeless charm and character to period properties. If you’re after a blend of both, uPVC sash windows provide an excellent balance of tradition and modern convenience.
Explore our range of uPVC windows or sash windows to discover which option best suits your home’s style and needs.
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.
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
What Our Clients have to Say
From Quote to Completion: How It Works
10 Key Features that Set Us Apart
Bespoke Design – Customisable windows tailored to fit your exact specifications.
High-Quality Materials – Premium timber, durable uPVC, and robust alternative options.
Double & Triple Glazing – Superior insulation to maintain indoor comfort.
Enhanced Security Features – Secure locking mechanisms for maximum safety.
Noise Reduction – Keep your home quiet and peaceful with our advanced glazing solutions.
Weather-Resistant Finish – Windows that withstand the harshest weather conditions.
Low Maintenance – Easy-to-clean materials that retain their beauty over time.
Eco-Friendly Solutions – Sustainable materials and energy-efficient designs.
Expert Installation – Professional fitting by our team of experienced installers.
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.
Comments