Sliding Sash Windows

Add some quintessential English style to your home with our sliding sash windows. The traditional sash window has been given a modern makeover to perfectly suit contemporary living without losing that authentic look. Our sash windows offer the feel and style of a traditional sash window but with a modern sliding designing meaning you can open and close your sash windows with ease.

0% Deposit and Finance

10 Year Guarantee

Made in the UK

1000+ Checkatrade Reviews

Here at Three Counties we are passionate about creating new windows that suit the style of your home and your personal taste. Our sliding sash windows are one of the most stunning window styles you can have for your home and will transform the look of your house.

We use our skills and experience to recreate everything you would expect from a traditional sash window, including authentic style staff beads, slender proportions and the traditional “butt-joint” manufacturing technique that leaves the finish you desire.

As well as being beautifully designed, our sliding sash windows offer the security and energy-efficiency you would expect from a Three Counties window. Our exclusive deep glazing bar and beads with Krypton gas units means that our sliding sash windows are A rated and highly secure.

Add character and charm to your home

Whether you are looking to update your existing sash windows or you want to add sliding sash windows to your home, you will add some extra charm and character to your home.

Available in a range of finishes

Our sliding sash windows are available in a range of finishes and styles so you can choose a design to suit you. If you’re unsure which style of sliding sash window is right for you then one of our experts will be able to talk you through your options and let you know what they recommend.

High Security Performance

Our sophisticated locking systems mean that all of our windows offer a high level of security for your home.

Tailor made to suit you

Our sliding sash windows are made to order meaning you are getting something truly bespoke that will suit your home and your style.

Strong, durable and secure

Our high quality sliding sash windows are strong, durable and will require a low level of maintenance. They also offer a high level of security.

The Sliding Sash Windows Collection from Bygone Windows

Here at Three Counties we are proud to be trusted fitters of Bygone Windows - a stylish and pioneering style of sash window, engineered and manufactured in Britain and finished to the highest quality. This high performing design offers efficient and effective air circulation to help reduce the risk of mould and condensation in your home. They also offer a high level of security and are a police-preferred design. On top of this they also have an impressive energy rating so you can feel safe in the knowledge that your beautiful sliding sash windows are also of the best quality.