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Sash windows

Transform your home with traditional sash windows loaded with modern features; expertly made to be virtually indistinguishable from timber

Balance an authentic look with the all-round performance of modern materials

Looking for 21st century security, energy-efficiency and low maintenance windows, but want to preserve the historic charm of your period property? Expertly built uPVC sash windows from Optic can provide the perfect solution. Using state of the art technology you can balance an authentic look with the all-round performance of modern materials.

Available in a range of beautiful colours and perfectly designed to open and close with ease. You can enjoy draft and maintenance free windows, while keeping the unmistakable charm and character you get with traditional sash windows.

Optic sash windows are also available in flash finish – distinguished by their classic style and designed to fit perfectly flat into the outer frame. Whether you have a country cottage or modern townhouse, flush sash windows will make a beautiful addition.

Authentic woodgrain finish
A-rated energy-efficient
Maintenance free – no more painting!
Sash uPVC windows

Sash windows are available in uPVC. Explore the colours on the uPVC page…

uPVC windows thumbnail image
uPVC windows
  • Extremely weather resilient.
  • Modern and contemporary style.
  • Virtually maintenance free – just a clean when needed.
  • Won’t change shape or warp.
  • Can last around 35 years.
  • Fantastic value.
View colours & styles
Honest pricing with no hidden extras

The first step towards updating your windows is knowing what it will cost you. Complete a few details below and one of our friendly team will call to arrange a home visit. This design visit enables us to fully understand your vision and then take measurements to provide you with an accurate price.