Windows · Doors · Conservatories
SASH WINDOWS
Timeless elegance. Modern performance.
Why Sash Windows?
Traditional Style, Modern Performance
Sash windows have defined the character of British homes for centuries. Their elegant vertical sliding design is instantly recognisable and remains one of the most sought-after styles for period properties, conservation areas and anyone who wants their home to retain its original charm — without the maintenance headaches that come with traditional timber frames.
Today's sash windows are a world away from the draughty, rattling frames of the past. Modern uPVC sash systems replicate the authentic appearance of timber sash windows while delivering outstanding thermal performance, enhanced security and zero maintenance requirements. They look the part, perform brilliantly and will last for decades without ever needing a coat of paint.
Whether you're restoring a Victorian terrace, updating an Edwardian semi or simply looking for an alternative to standard casement windows that adds real character to your home, our sash window range has the perfect solution.
Authentic Sash Design
Replicates the look of traditional timber sash windows with none of the upkeep — perfect for period properties and conservation areas.
Outstanding Thermal Performance
Multi-chamber profiles and high-performance glazing work together to keep heat in and energy bills down throughout the year.
Enhanced Security
Modern multi-point locking systems come fitted as standard — giving you the traditional look with the security your home deserves.
Our Product
ECOSlide PVC-U Sash Windows
The ECOSlide is our premium uPVC sash window system, designed specifically for UK homes. Whether you're restoring a period property to its former glory or adding character to a modern build, the ECOSlide delivers the authentic vertical sliding sash aesthetic with all the benefits of modern uPVC — outstanding thermal performance, enhanced security and zero maintenance.
Available in a wide range of colours and finishes, the ECOSlide can be configured to complement any property style. Every window comes complete with a full suite of traditional hardware and is backed by our 10 year guarantee.
Add a splash of colour
Choose from 9 standard colours
Frequently Asked Questions
Got a question about sash windows? We've put together answers to some of the most common queries below. If there's anything else you'd like to know, our friendly team is always happy to help.
Sash windows are a classic British window style featuring one or more panels that slide vertically within the frame. Unlike casement windows which open outward on hinges, sash windows glide up and down — a design that has been a defining feature of British architecture for centuries, particularly on Victorian and Edwardian properties.
Absolutely. While sash windows are most commonly associated with period properties, they work beautifully on modern homes too. Their clean vertical lines and slim profiles add real character and kerb appeal to any property — making them a popular choice for homeowners who want something a little different from a standard casement window.
Very. Our uPVC sash windows feature multi-chamber profiles and high-performance double glazing that significantly reduce heat loss compared to older timber sash frames. They fully comply with current building regulations for thermal performance and can make a noticeable difference to your energy bills.
Yes. Our sash windows come fitted with modern security locks as standard, providing far greater protection than traditional timber sash frames which were often vulnerable to forced entry. You get the classic look with the security your home deserves.
Our uPVC sash windows are built to last. With minimal maintenance you can expect a lifespan of 25 to 35 years or more. Unlike timber, they won't rot, warp or deteriorate over time — just an occasional wipe down is all it takes to keep them performing and looking their best.
Yes — all of our sash windows are available with high-performance double glazed units as standard. This dramatically improves thermal and acoustic performance compared to older single glazed sash windows, while still maintaining the authentic traditional appearance of the frame.
Every sash window we supply and install comes with a 10 year guarantee as standard. All installations are carried out by our own fully insured, certified team — so from the moment the job is complete you're fully covered and can buy with complete confidence.
