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.
Premier Windows is South London’s best double-glazing company. We’re first for price, first for quality, and first for service. We have an extensive range of windows and doors in uPVC, timber, and aluminium to help you transform your home.
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:
Authentic timber-effect woodgrain finishes
No painting, rotting, or warping
Long-lasting colour and durability
Suitable for period and modern homes
Tilt-In-to-Clean Design – Ideal for Upper Floors
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 point of order
Key Benefits of our uPVC Sliding Sash Windows
1) Bespoke Styles & Traditional Detailing
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.
2) Security You Can Trust
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.
3) Tilt-In-to-Clean Design — Ideal for Upper Floors
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.
4) Enhanced Comfort, Noise Reduction & Energy Efficiency
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
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. The hardware we use has been carefully selected based on aesthetics, robustness, and ease of use. Our heritage hardware maintains the authentic period charm that makes these windows a great timber replica. Travel restrictors are included as standard along with D (bow) handles, lift hooks, classic tilt knobs and sash locks. Finishes include: shiny chrome, satin chrome, shiny gold, white or black.
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. 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.
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.
