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Architectural Terms & Definitions

Discover everything about the main architectural terms in our glossary and take the opportunity to find out how Millhawlk can help you

What is Dormer Window?

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What is Dormer Window?

A dormer window is a structural element that projects vertically from a sloping roof, creating additional space and light in an attic or upper floor. It typically features a window and a small roof, adding architectural interest to the exterior of a building.

Types of Dormer Windows

There are several types of dormer windows, including gable dormers, shed dormers, hipped dormers, and eyebrow dormers. Each type has its own unique design and functionality, providing different aesthetic and practical benefits to a building.

Benefits of Dormer Windows

Dormer windows not only enhance the visual appeal of a building but also provide practical benefits such as increased natural light, ventilation, and additional living space. They can also improve the overall value of a property by adding character and charm.

Design Considerations

When incorporating dormer windows into a building design, it is important to consider factors such as the roof pitch, size, and placement of the windows. Proper planning and execution are essential to ensure that the dormers complement the overall architecture of the building.

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Installation Process

The installation of dormer windows involves cutting an opening in the roof, framing the window, and installing the necessary flashing and insulation. It is a complex process that requires the expertise of skilled professionals to ensure proper installation and weatherproofing.

Maintenance and Care

To maintain the functionality and appearance of dormer windows, regular inspection and maintenance are essential. This includes checking for leaks, cleaning the windows, and repairing any damage or deterioration to ensure the longevity of the structure.

Historical Significance

Dormer windows have been used in architecture for centuries, dating back to medieval times. They were originally designed to provide additional headroom and light in upper floors of buildings, and have since become a popular architectural feature in various styles of architecture.

Modern Trends

In modern architecture, dormer windows continue to be a popular design element, with contemporary interpretations and innovative styles. They are often used in residential and commercial buildings to enhance the aesthetic appeal and functionality of the space.


Dormer windows are a versatile and practical architectural feature that can enhance the beauty and functionality of a building. Whether traditional or modern in design, dormer windows add character and charm to any structure, making them a valuable addition to any architectural project.

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