The Origins Of The Sash Window, An Evergreen Product

The origins of the sash window are not easy to fathom. There are a variety of theories but no absolute proof for any of them. In the late 1600′s, an English inventor, Robert Hooke used them in Ham House and a painting by Vermeer called ‘The Milkmaid’ shows a sash frame behind the girl. It is believed that they might have come from France, via Holland to Britain around this time but the British certainly made them their own.

A “Yorkshire Light” is a window made of panels which can slide sideways or up and down. Originally the windows would be propped open but later a pulley and weight system was designed. Connected by a rope which ran over a pulley to the window, the weight would hold the window at the level it was moved to.

Sir Christopher Wrens was a well known architect used by the British royal family in the late 1600′s to design various palaces, such as the Whitehall Palace where he used these windows. The Royals used these windows at Kensington Palace and Hampton Court as well. The combination of Wrens’ fame and Royal approval meant that the windows became wildly popular and were soon appearing on all new buildings. Aesthetically, they do not ruin a building’s look when they are opened unlike many other window sorts.

In Georgian times, the sash was the rage and a double hung sash window was created allowing both the top and bottom sashes to be moved. In a wet European climate, the window can be opened at the top to let warm air escape while colder air is drawn in through the gap at the bottom, without allowing rain to enter.

The Victorians, were obsessed with decorating their homes with carvings, leaded lights, lattices and complicated mouldings. Placed in a facade as a group, each bay was framed by carved stone pillars. It also became common to enhancing the perspective of a building by making windows on the ground floor longer than those on the upper floors.

The sash window was doomed with the advent of the 20th Century. The rapid industrialisation of production processes caused by the demand for machinery and weapons in the First World War, put an end to expensive hand-crafted methods involving much time and labour.

It must be agreed that without the sash window, defects and all, the most interesting urban areas of older European cities would be bleak and characterless.

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