A feature of many character properties, the traditional sash window is a charming solution to a functional need which adds a real aesthetic appeal in the home. More people than ever are returning to the old style window fitting, installing them into modern homes as a nod to the past which remains just as effective today as it was when they were first introduced.

Various different countries claim that historically, they were the first to use sash window technology in their stately homes and palaces. By the end of the 1600s, the late seventeenth century, we know that sash windows were being used in England. Examples can be seen in Chatsworth House from this time, as well as in Kensington Palace and at Hampton Court Palace. Ever at the forefront of trends,even including that for sash windows London and Brighton properties were likely some of the first to use the technology to make a statement about their wealth and class.

In the most simplistic of terms, a sash window is a window made of multiple small panes of the glass which have been set into a larger frame in a grid, then formed into a sash which is moved side to side or in a vertical up and down movement to open the window for ventilation. Three kinds of sash window remain available widely today. The first of these is known as the single hung sash. In these windows, there is one moveable section and one fixed panel. Usually, the bottom half panel is the one which is mobile whilst the top is built into place. The oldest styles of single hung sash have a pulley and weight system using cords to close the window or to pull it open. These are not usually an energy efficient system in comparison to contemporary window design because the moving panel is often single glazed.

The double hung sash is very similar to the single sash, but both of the glass panels are able to be moved. These are more popular in modern properties. These are preferred because its design means that ventilation gaps can be created at both the top and bottom of the window, allowing for a draught to flow freely. They are also generally a window which uses a more contemporary mechanism to open and close the panels, rather than relying on pulleys and weights. The horizontal sash is like either of the other two, but with panels which slide from side to side. These were more common in northern counties, especially Yorkshire.