Transom Windows: What are they and What do they do?

French doors and transom window installed by Big Als Custom Trim

Before electricity and air conditioning, transom windows served multiple purposes. They let additional natural light into a room at a height that didn’t enable others to look in. Some also opened via metal hinges, providing airflow.

Today, transom windows are an excellent way to get more natural light into your home. They also make your home appear larger by opening up the space. Modern transom windows typically do not open, though you may choose this option if you are looking to use them for their historical purpose.

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Transom windows, also called transom lights, have been around since the 14th century. They’re named for the horizontal beam they sit on top of, called a transom, which separates the top of a door or window from the wall above. Though nowadays transom windows are typically more decorative than functional, they’ve been making a comeback because of their historic charm.

Transom windows allow more natural light into the home and can make a space appear larger.

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