uPVC vertical sliding sash windows combine the enduring charm of traditional sash windows with the advantages of modern materials and engineering. Designed to replicate the classic appearance of original timber sash windows while delivering superior energy efficiency and long-term durability, these windows offer a refined solution for both period and contemporary properties.
Whether you are upgrading an existing Berkshire, Surrey or Oxfordshire home, replacing ageing box sash windows, or specifying windows for a new-build project, uPVC vertical sliding sash windows provide outstanding modern performance without compromising on character, heritage, or architectural integrity.
Timber sash windows have long been admired for their charm, symmetry, and craftsmanship, particularly in heritage homes and conservation areas. However, traditional timber frames often require regular maintenance and can struggle to meet modern thermal standards.
uPVC sliding sash windows offer a practical and cost-effective alternative to original timber sash windows. Manufactured in the UK with a visually authentic timber sliding sash look, but with the innovations and benefits of low maintenance, high performance, and improved security.
From Victorian and Georgian homes to Edwardian terraces and modern townhouses, these windows are designed to complement a wide variety of architectural styles.
Every uPVC vertical sliding sash window is manufactured to order, allowing complete control over window design, proportions, and finishes. This bespoke approach ensures the final product integrates seamlessly with your property’s aesthetic and functional requirements.
This flexibility makes uPVC sliding sash windows suitable for both replacement projects and new installations, whether the goal is to preserve heritage appeal or introduce classic elegance to a modern home.
Designed for Traditional and Modern Properties Alike
uPVC vertical sliding sash windows are particularly popular in traditional and period properties, where preserving character is essential. Carefully considered sash window features, such as run-through sash horns, deep bottom rails, and authentic glazing bar layouts, help recreate the appearance of original timber sash windows.
For homes located in conservation areas, these windows offer a visually sympathetic solution that aligns with traditional architecture while delivering modern benefits. When designed correctly, they can help preserve a property’s historic charm while significantly improving thermal efficiency and security.
In modern properties, uPVC sliding sash windows introduce character and visual interest that standard casement windows often lack. From the 1930s semis to contemporary developments, vertical sliding sashes provide a distinctive design element that elevates a home’s appearance.
They are an ideal choice for Berkshire, Surrey and Oxfordshire homeowners seeking something different from conventional window styles while benefiting from improved energy efficiency, reduced maintenance, and long-term reliability.
Our uPVC vertical sliding sash windows are designed to mirror the refined details of traditional sash windows while integrating advanced engineering for everyday comfort.
Every detail is carefully engineered to ensure the windows not only look authentic but also perform to modern standards of comfort, security, and energy efficiency.
Energy efficiency is at the heart of modern window design, and uPVC vertical sliding sash windows are engineered to significantly improve thermal insulation and reduce heat loss.
By combining high-performance double-glazing units with multi-chambered uPVC frames, these sash windows reduce carbon emissions, energy bills and improve overall comfort.
Sash windows are designed to balance traditional aesthetics with modern performance, making them a wise investment for homeowners seeking both beauty and efficiency.
Security is a priority for any window installation. Our uPVC vertical sliding sash windows incorporate discreet yet highly effective security features to protect your home.
Integrated Security Features:
These features are seamlessly integrated into the window design, ensuring peace of mind without detracting from the traditional appearance of the vertical sliding sashes.
Window hardware is important in both aesthetics and usability. Our high-quality range of sash window hardware is available in a variety of styles and finishes, allowing you to choose a look for your windows that suits your property’s style.
Each component is designed to enhance the window’s overall look and feel while ensuring smooth operation and long-term durability.
It is the finer details that give uPVC vertical sliding sash windows their authentic, timeless appearance. From the smooth, clean lines of the frames to the carefully proportioned glazing bars, every element is designed with precision.
Slim profiles maximise natural light, while thoughtful design ensures the windows look equally impressive from both the interior and exterior. Whether installed in a traditional townhouse or a modern development, these windows enhance kerb appeal and interior comfort alike.
Our commitment to sustainability goes beyond window performance. uPVC vertical sliding sash windows are designed with environmental responsibility at every stage of production, packaging, and installation.
Post-industrial waste materials are repurposed to create injection-moulded corner protectors made from recycled content. These protectors reduce landfill waste while allowing more efficient packaging, cutting transport requirements by up to 20%.
Glass recycling is a priority, ensuring unused glass is processed and reused to minimise raw material consumption and energy use. By repurposing PVC-U and glass materials that would otherwise be discarded, our windows actively support a circular economy.
This approach helps conserve resources, lower carbon emissions, and contribute to a greener, more sustainable future for the construction industry.
Unlike original timber sash windows, uPVC sliding sash windows require minimal upkeep. They do not rot, warp, or need repainting, making them an ideal long-term solution for busy homeowners.
Low maintenance: a simple wipe-down is all that is needed to keep the frames looking their best, ensuring your windows maintain their appearance and performance for years to come.
Bespoke sash window design and advanced modern performance make uPVC vertical sliding sash windows increasingly popular among homeowners in Berkshire, Surrey, and Oxfordshire. They offer the perfect balance of innovation and tradition, making them a future-proof choice for homeowners and architects alike.
Whether you are restoring a period property, upgrading a modern home, or specifying windows for a new project, uPVC vertical sliding sash windows deliver exceptional style, comfort, and efficiency.
Homeowners across the South East of England trust Thames Valley Windows for high-quality, secure, and energy-efficient uPVC vertical sliding sash windows. With decades of local experience, we deliver beautifully crafted windows that enhance comfort, security, and property value.
When you choose our uPVC sash windows, you benefit from:
We offer competitive pricing on all uPVC sash windows, with a Price Match Guarantee to ensure outstanding value without compromising on quality.
Please request an appointment with one of our designers at our Bracknell Showroom
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We can provide you with full colour 3D visualisations, allowing you to explore options that you may not have considered, with complete peace of mind.
Our showroom consists of:
Thames Valley Window Company
Head Office & Showroom
44 Longshot Lane
Bracknell
Berkshire RG12 1RL
United Kingdom
Designed so you can view most of our product range, our show room will help you understand what options will work best for you and your home.
Making plans to improve your home is exciting. If you would like to download any of our product brochures, please visit our brochure download page.
