Smooth vertical sliding
Balanced upper and lower sashes move independently and stay securely at the height you choose.
Windows · Sash Windows
ECOSlide® PVC-U Sash Windows
Traditional sash-window character, engineered for modern comfort, security and easy maintenance. Made to measure by Victorian Sliders and professionally supplied and installed by Lifetime Glazing.
ECOSlide® by Victorian Sliders
Traditional character, modern operation
The classic sash look, without the upkeep
Both sashes slide vertically on a balanced mechanism and can tilt inward for safe cleaning. ECOSlide suits period properties, bay windows, replacement projects and design-led modern homes.
Tilt-in easy cleaning
Both sashes tilt inward so the outside glass can be cleaned safely from inside your home.
Made-to-measure design
Each window is manufactured to suit the opening, proportions and character of your property.
Low-maintenance PVC-U
Traditional detailing with durable frames that need no painting and only simple routine care.
Our work
Completed sash window installations
Explore a selection of sash windows installed by Lifetime Glazing across London and Hertfordshire, alongside ECOSlide product styles and details.
Completed by Lifetime Glazing
Completed by Lifetime Glazing
Victorian Sliders/ECOSlide product imagery
Victorian Sliders product image
Product and project imagery supplied by Victorian Sliders.
Frame construction
Choose the finish that suits your property
Clean and dependable
Classic welded joints
Dependable, clean PVC-U construction for a crisp traditional appearance and straightforward long-term care.
Optional aesthetic upgrade
Timber-look mechanical joints
An aesthetic PVC-U enhancement inspired by mortise-and-tenon timber joinery, suited to period homes, conservation-sensitive projects and premium installations. These joints provide a timber-style appearance; they are not structural timber.
Personalisation
Design choices, clearly explained
We will help you balance authentic details, practical performance and planning considerations during your survey.
Bars and traditional detailing
Choose external astragal bars or internal Georgian bars, plus sash horns for a more traditional silhouette.
Rails and weather detailing
Specify a standard or deep bottom rail, with an optional colour-matched weather bar to help shed rainwater.
Shapes and configurations
Available for bay windows and in Gothic arch, swept-head arch and true-arch configurations, subject to survey.
Colours and finishes
Options include white, cream, Chartwell green, anthracite grey, agate grey, black/brown, golden oak, Irish oak, rosewood and matt grey, with sprayed colours also available.
Window hardware
Select camlocks, sash lifts, pole eyes, travel restrictors, tilt knobs, D handles and inset finger pulls in a choice of coordinated finishes.
Technical overview
Performance and security
A clear starting specification, with upgrades available where the property or project requires them.
Energy performance
ECOSlide is rated A+ for energy efficiency, with a standard window U-value of 1.3 W/m²K as stated in the current consumer brochure.
Considered ventilation
Concealed ventilation options are designed to support Part F requirements without disrupting the sash-window appearance.
Security specification
An integrated anti-jemmy security bar is included. Document Q and Secured by Design specifications are available options, with PAS 24:2022 applying only to the appropriate security specification.
Final specification and performance depend on the survey, window configuration, glazing and selected upgrades.
Product brochure
Explore the ECOSlide range
Review configurations, colours, hardware, glazing and technical specifications in the official consumer brochure.
Free home survey
Plan your ECOSlide sash windows
Tell us about your property and Lifetime Glazing will arrange a practical, no-obligation conversation about measurements, design and specification.
- Made-to-measure specification
- Survey before manufacture
- Supplier documentation available
- Local teams across London and Hertfordshire