Timber sash windows combine stunning period design with modern energy efficiency. Excellent heat saving, unrivalled soundproofing and high-security technology come as standard with our wooden windows.
Our timber sash windows are ideal for traditional properties that need replacement windows, as well as homes in conservation areas. Even if your home is not listed or in a protected area, sliding timber sash windows are guaranteed to add character to your property.
Our vast range of London-based customers swear by our top quality products and we maintain high standards for installation too. We ensure that our window units are installed to perfection so that they not only look good but maintain their excellent energy efficiency wherever they are fitted.
Our timber sash windows are built to the highest specifications and benefit from slim double glazing as well as a robust timber frame made from hardwood, softwood or high-performance Accoya.
You can also customise your new sash windows with authentic features, such as Georgian bars, sliding sashes and traditional hardware.
Why choose timber sash windows from Premier?
- We make your sash windows to measure and to match or complement your property perfectly
- We offer a practically unlimited colour choice for frames
- We can create our timber sash windows with traditional detailing including Georgian bars
- Our windows are low maintenance and we offer an eight year paint guarantee
- We also provide a thirty-year frame warranty
- From our experience, we estimate a service life of sixty years for all our timber frame sash windows
- Our windows are suitable for period properties and conservation areas — perfect for customers based in London
- Our timber sash windows meet all Wood Window Alliance standards
Choose from a wide range of colours and varnishes to suit your home and style, with frames to complement the interior and exterior of your home.
We can manufacture any shape or size of sliding timber sash window for your property. We only use sustainably sourced timber to help preserve future natural resources. We care about the environment and believe it is essential to make eco-conscious choices when sourcing our materials.
Sash window styles
We offer a range of timber sash window styles and configurations so you can be sure you’ll find the right option to suit your London home.


