Welcome to Preservation Windows, the leading sash and case window specialist in Scotland. We are extremely proud of our accomplished, well-earned reputation among architects, developers and homeowners for a service that is of the highest quality and exceptional standards.

Preservation Windows is committed to elevating your sash and case windows to achieve heat retention and energy efficiency while retaining the character of your period home. 

All of our windows are manufactured at our workshop in Cumbernauld by expert tradesmen that allow us to offer a truly bespoke service. All of our Preservation Windows staff strive for excellence from our workshop craftsmen to our painters and installers.

If you are unsure whether sash and case windows are right for you, feel free to drop by our show flat in Glasgow's West End and our company Director Brendan will be able to answer any of your queries.  

  Transform Your Home


  • Put an end to draughts

  • Add value to your property

  • Reduce your carbon footprint

  • Retain your home's period charm

  • Support your local economy (made in Scotland) 

  • Say goodbye to windows that are hard to open and close

  • Save money by improving the energy efficiency of your home

“Our experience with Preservation Windows was a complete joy from start to finish.
The windows are fantastic and the professionalism and work ethic is
second to none, thank you.”
— Mr. & Mrs. Ireland