Traditional PVCU Sash Windows
Crafted to emulate the timeless beauty of timber sash windows, our Traditional Collection is an outstanding choice for both period and contemporary homes. Our traditional sash windows are thoughtfully designed to deliver timeless style, lasting performance, and everyday practicality. From energy efficiency and weather resistance to security and seamless functionality, every element has been carefully considered to meet the demands of contemporary living, without compromising on traditional charm. Explore the features that make these windows a standout choice for discerning homeowners and developers alike.

10-year warranty on upvc windows
10-year warranty on glazing
5-year warranty on ironmongery & seals
10 years on Workmanship
Timeless Style, Modern Performance
01 Authentic AESTHETICS
Runâthrough sash horns, deep bottom rails, slim 37âŻmm midârails, 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, 24âŻmm Argon-filled double glazing, LowâE glass, and Uâvalues as low as 1.2â1.4âŻW/m²K.
02 Weather Resistance Refined
Expertly engineered to handle the demands of British weather, with durable, low-maintenance uPVC that wonât warp, fade or rot over time.
04 Security You Can Trust
Standard high-security locks with optional PAS24 packageâincluding reinforced tilt latches, sash bolts, and dual locksâcrafted to meet new-build security standards.
05 tilt FUNCTIONALITY
Both top and bottom sashes effortlessly slide and tilt inwards, allowing interior cleaning and flexible ventilation without compromising aesthetic or function.
06 Â 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?
If youâre apprehensive about opting for uPVC windows for your property, our excellent products and service will provide you with everything you need.
A Reliably Smooth Experience
Through modern innovations and old-fashioned engineering rigour, we can ensure that our windows have smooth mechanisms for easy opening and closing long into the future. uPVC windows are designed around simple maintenance and excellent performance, with clear benefits for our customers.
A Natural Look
Our wood effect finishes are totally convincing, the perfect choice for a heritage building looking to maintain its exterior look while upgrading its insulation and security.
Charming Traditional Looks
Through a range of customisable designs we can replicate a huge selection of period looks for your home, helping you keep your pristine historical exterior while benefiting from modern performance.
Long-term Performance
uPVC offers brilliant performance over many years, backed up by a range of warranties. When you purchase windows through our team, youâre making an investment in your home.
Have Your Choice of uPVC Sash Windows
Our uPVC windows can be customised with a range of glazing and finishes to suit your unique needs.
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.
