Time was, when installing replacement casement windows was costly, difficult and in no way guaranteed to succeed without some serious building work. Fortunately, that time is past, and it’s now a lot easier to get a replacement casement in place without knocking half a wall down and rebuilding it.

Modern casement replacement is done by sourcing the windows from a firm like Marvin Architectural, which has developed its own brand of replacement specific casements. The replacement casement is designed to slot, frame by frame, into the place of the old windows: which means no costly breaking of walls, removal of wallpaper and so on. These modern casement windows can be inserted from the outside, by a qualified fitter, without so much as touching the inside of the house. They’re designed to fit seamlessly and of course are available in a huge range of finishes – so they’ll match any existing house style.

A casement is basically any window that hangs from its frame, or is attached thereto, by one or more hinges. They’re installed in most houses, old and modern alike. In most cases these days, casement windows will be framed either in plastic, aluminium or wood, according to the overall aesthetic design of the house or flat in which they are sited. Interestingly enough, the sash window was originally a replacement for the casement, which had its first days in the architectural sun before sashes were introduced. Modern casements often show an affinity with their Tudor forebears, and first began to reappear on upmarket homes built in the Tudor style. Leaded glass windows, for example, are almost always casement windows.

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