Traditional uPVC Sash Windows
Built to reflect the look of original timber sashes for period and modern properties, each window in our Traditional Collection is made in the UK, with run-through horns, slim mid-rails, and careful detailing. Tilt-in sashes make cleaning easy, while advanced glazing helps to keep the cold out and noise down.
Explore the features that make these windows a standout choice for discerning homeowners and developers.
10-year manufacturers warranty
10 year warranty on Workmanship
10 years warranty on Glazing
5-year warranty on ironmongery & seals
Our Traditional uPVC Sash Windows
01 Authentic AESTHETICS
Run‑through sash horns, deep bottom rails, slim 37 mm mid‑rails, optional ovolo-shaped weather bars, and astragal bars, designed to match Victorian, Georgian or Edwardian sash windows.
03 High Thermal Efficiency
Achieve excellent thermal performance with multi-chambered frames, 24 mm Argon-filled double glazing, Low‑E glass, and U‑values as low as 1.2–1.4 W/m²K.
02 Weather Resistance Refined
Expertly engineered to handle the demands of British weather, with durable, low-maintenance uPVC that won’t warp, fade or rot over time.
04 Security You Can Trust
Standard high-security locks with optional PAS24 package, including reinforced tilt latches, sash bolts, and dual locks, crafted to meet new-build security standards.
05 tilt FUNCTIONALITY
Both top and bottom sashes slide and tilt inwards, allowing interior cleaning and flexible ventilation without compromising on the look or function.
06 Colour & Glazing
Choose from a wide range of authentic woodgrain finishes, dual-tone exteriors and interiors, and advanced glass design options, along with perfectly matched trickle vents.
Why Choose Sash Windows London
End-to-End service
From your initial inquiry to the final installation, the experience is bespoke to you. Expect clear communication, honest advice, and expert guidance at every step.
London-Centric Expertise
We possess in-depth knowledge of London’s planning regulations, conservation requirements, and the distinctive character of its historic homes. This understanding ensures smooth surveys, precise installations, and attentive aftercare.
High-Quality Craftsmanship
Every detail, from perfect proportions to exquisite finishes, is designed to complement period homes as well as contemporary styles.
sustainability
Using FSC-certified timber and fully recyclable PVCu, we’re dedicated to responsible craftsmanship, creating products that uphold our quality and our planet.
Have Your Choice of uPVC Sash Windows
Our uPVC windows can be customised with a range of glazing and finishes to suit you.
Browse our designs in our brochure, or get in touch with us right away if you’d like to speak to a member of our team. We’ll be glad to help you decide on the ideal design for your windows.
