Sliding Sash Windows
Recreate the charm of traditional timber sliding sash windows with modern uPVC from Origin Double Glazing LTD in Cornwall. Supplied by leading heritage specialists Quickslide and The Rose Collection for authentic detailing, outstanding energy efficiency and minimal maintenance. Free quotation across Cornwall today.

Sliding Sash Windows from Origin Double Glazing
Our sliding sash windows deliver the authentic Georgian and Victorian aesthetic that defines so much of Cornwall’s architectural heritage, combined with the latest uPVC technology. Both sashes slide vertically with effortless ease thanks to precision spiral balances or tilt-in mechanisms, allowing excellent ventilation and easy cleaning. Available with traditional features such as sash horns, deep bottom rails, astragal bars and run-through sash horns, they suit everything from listed Cornish cottages to modern townhouses.
Why choose sliding sash windows from Origin Double Glazing
Choosing Origin Double Glazing LTD means enjoying the beauty of traditional sliding sash windows without the constant painting, warping or draughts associated with timber.
Manufactured using premium systems from Quickslide and The Rose Collection, our windows achieve exceptional thermal performance and structural integrity. High-specification double or triple glazing helps keep your home warmer and quieter while cutting energy bills. The extensive range of heritage colours and authentic detailing ensures your new windows enhance your property’s character and value for decades to come.

Our windows come in a variety of colour options and finishes.
Features of Our uPVC Sliding Sash Windows

Please do not hesitate to contact us if you have any questions regarding Origin Double Glazing or the products and services we provide.
A sliding sash window (also called a vertical slider) has two sashes that move up and down within the frame, offering the classic box sash appearance of traditional timber windows with modern functionality.
Yes. Both Quickslide and The Rose Collection systems are widely approved for heritage and conservation projects due to their faithful reproduction of traditional sightlines and detailing.
They achieve high energy ratings (typically A or better) thanks to advanced multi-chambered profiles and high-performance glazing units, significantly reducing heat loss compared to old timber sashes.
We offer an extensive heritage palette including white, cream, clotted cream, chartwell green, anthracite grey, black, rosewood, Irish oak and more – plus dual-colour options for different finishes inside and out.
No. Unlike timber, our uPVC sliding sash windows require only occasional cleaning with soapy water. There’s no painting, sanding or varnishing ever needed.
To begin, set up a free, no-obligation consultation. Our experts will discuss your needs, preferences, and design ideas while offering informed advice tailored to your home.
Schedule a free, no-obligation consultation to get started. Our professionals will talk about your requirements, tastes, and design concepts while providing knowledgeable guidance specific to your house.
As soon as you approve the idea, we’ll confirm your order and make sure your bespoke windows are manufactured.
With the least amount of disruption possible, our skilled installers will swiftly and expertly install your products, leaving your home in a beautiful condition.
