Georgian window styles did not suddenly change as the period drew to a close. However, the prevailing feature that distinguished Victorian windows from Georgian ones was the larger panes of cheap mass-produced glass, supported by fewer ovolo glazing bars. Four over Four, Two over Two, and eventually One over One are all typical Victorian window…

This is the earliest form of sash windows as we recognise them to this day. They are characteristic with their thick wooden astragals “or glazing bars”. They range from sixteen to twenty four almost square panes. As the Eighteenth Century progressed, the classic 6 over 6 sash windows became the accepted norm. The proportions of…

The earliest form of the sliding sash window dates back to the last quarter of the seventeenth century. It remained the most popular type of window in Britain for the next two hundred years or so. Its origin is a matter of heated debate: Being English or Dutch. The original form of the sash window…