uPVC Sliding Sash Windows
Upgrade your home with uPVC sliding sash windows that combine timeless elegance with modern efficiency. Designed to replicate the charm of traditional timber sash windows, our uPVC sash windows deliver outstanding thermal performance, enhanced security, and effortless maintenance — making them ideal for both period and contemporary properties – within 3 weeks from poitn of order
Thermal Efficiency
Conservation Area Approved
10 Year Guarantee
FENSA Approved
Explaining uPVC Sliding Sash Windows
If you love the appearance of traditional wooden windows but want a practical alternative, our timber look uPVC sash windows are the perfect solution. Available in a wide range of woodgrain finishes, these windows closely imitate real timber, making them our best-selling option.
They are ideal for Victorian, Edwardian, and Georgian homes, as well as properties looking to retain classic character without the ongoing maintenance of timber.
Benefits include:
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Authentic timber-effect woodgrain finishes
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No painting, rotting, or warping
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Long-lasting colour and durability
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Suitable for period and modern homes
- Tilt-In-to-Clean Design – Ideal for Upper Floors
Weatherproofing
Our Legacy uPVC sash windows are built to last and to resist the ever-changing conditions the British weather throws at them, all without losing their immaculate appearance. Our sash windows have successfully been tested against wind speeds of up to 120mph to achieve a 1200 rating, while for water tightness it withstood being sprayed with eight litres of water per minute for 40 minutes with zero leakage, earning it a higher-level Class 6A classification.
Key Benefits of our uPVC Sliding Sash Windows
Tilt-In-to-Clean Design – Ideal for Upper Floors
One of the standout features of our uPVC sash windows is the convenient tilt-in-to-clean design on both the top and bottom sashes. This innovative feature makes cleaning effortless and safe, especially for first-floor windows and above. There’s no need for ladders or external access — simply tilt the sashes inward and clean from inside your home.
With minimal effort required, just an occasional clean will keep your windows looking pristine for years to come.
Enhanced Comfort, Noise Reduction & Energy Efficiency
Our double glazed uPVC sash windows are designed to improve comfort all year round. They offer excellent thermal efficiency (A Rated / U-Value 1.2 W/m²K), helping to reduce heat loss and lower energy bills.
In addition, they are up to 40% more effective at reducing external noise, creating a quieter and more comfortable living environment — particularly beneficial for homes on busy roads or in urban areas
Bespoke Styles & Traditional Detailing
All of our modern uPVC sash windows are available in a bespoke range of colours and styles. To help maintain traditional character, you can choose from:
Astragal bars
Georgian bars
Slim midrail options
Run-through horns
These authentic details ensure your replacement sash windows blend seamlessly with the existing architecture of your home.
Security You Can Trust
Your peace of mind is important to us. That’s why our windows are available with PAS 24 security options, window restrictors as standard, providing enhanced protection for your home. All of our uPVC sash windows also come with a 10-year manufacturing guarantee, ensuring your investment is fully protected.
Choose From a Range of Colours and Styles
With a vast range of styles and colours to choose from, our uPVC sliding sash windows are built to replicate timber windows. Our uPVC sash windows incorporate a range of classic designs to create an authentic look, including astragal bars, run-through Georgian horns, and authentic monkey tail and pear drop handles.
Our uPVC sliding sash windows come with a selection of hardware options based on accessibility and ease of use. Whether it’s our bow handles or our classic knob, feel confident that the classic charm will be maintained.
Glazing Options
Our sash windows come with efficient 24mm double glazing as standard. Double glazing consists of two panes of glass separated by a spacer filled with insulating argon gas. This composition significantly reduces heat transfer, keeping interiors warmer in winter and cooler in summer. Double glazing on uPVC sash windows offers a winning combination of energy efficiency, comfort, security, and aesthetic appeal, making it an excellent choice for both new builds and existing properties.All our sash windows feature Low E glass, which helps to control the transfer of heat through the glass, keeping interiors cooler in summer and warmer in winter. Laminated glass – You have the option to upgrade your traditional sash windows with laminated glass for enhanced safety while preserving the aesthetic charm of classic Victorian window features. One of the most notable advantages of laminated glass is its safety features. In the event of breakage, the interlayer holds the glass fragments together, preventing them from shattering into sharp pieces
Obscure Glass
Perfect for privacy-focused areas like bathrooms, we offer obscure glass options – the most popular being Satin glass, also known as frosted glass. It features a smooth, matt finish that lets in natural light while blocking the view from outside. You can find further details on our Glazing Options page but feel free to contact us if you have any questions.
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In addition to our uPVC sliding sash windows, Premier Windows supplies a full range of premium uPVC windows designed to transform your home. Choose from stylish uPVC and Timber casement windows, elegant flush casement windows, and versatile tilt and turn windows, all expertly manufactured for outstanding performance. Every window is fitted with high-quality double glazing, helping to improve energy efficiency, enhance security, and add lasting value to your property. Built to perform and designed to impress, our windows are a smart long-term investment for any home.
uPVC Flush Casement Windows Prices in Greater London
When you are ready to design your sliding sash windows, reach out to Premier Windows. Our team has over 23 years of experience installing sliding sash windows, so whichever option you choose, we have a design that is right for you. Contact us today to arrange your free consultation and begin your home improvement project with confidence. You can also receive a free quote from us using the link below. It’s easy to use and works on all devices. Fill in your bespoke details, and a member of our team will get back to you to discuss your product further.
Frequently Asked Questions
Our Most Common Queries
What are sliding sash windows?
Sliding sash windows are traditional-style windows where one or both sashes (panels) slide vertically to open and close. Our uPVC sliding sash windows are designed to replicate traditional timber windows while offering modern benefits.
What benefits do your sliding sash windows offer?
You’ll be pleased to know that our sliding sash windows have plenty of benefits for your home. Our sliding sash windows offer fantastic durability and ventilation control for exceptional airflow. They also come in over 200 RAL colours so that homeowners across Greater London, Surrey, and Kent can add a splash of personality to their homes. Our elegant uPVC sliding sash windows offer the perfect blend of warmth, style, and comfort.
Are your sliding sash windows energy efficient?
Yes, our sliding sash windows are thermally efficient. They come with double or triple glazing for extra insulation, reducing your heating and cooling costs. They also come with weather seals to help prevent draughts.
Are uPVC sash windows secure?
Our modern uPVC sash windows offer plenty of security measures that can help prevent forced attacks. These include multi-point-locking systems, shootbolts, and advanced double glazing.
Are uPVC sash windows suitable for modern homes?
Yes, while they are ideal for traditional homes, modern materials and finishes make them versatile for contemporary properties as well.
Are uPVC sash windows expensive?
While our sliding sash windows are often more expensive than standard casement, their aesthetic and functional benefits ensure that you will get value for your money.
How can I clean my uPVC sliding sash windows?
Our sash windows are very easy to clean. All you need to do is wipe them with a cloth and soapy water so they look immaculate for longer. Perfect to enjoy the more important things.