Dormer House Extension: What's the Name?

Marie Jul 01, 2026

Ever wondered about the architectural feature that adds extra space and character to your home, often seen popping out from the roof? You might know it as a dormer, but do you know the various types and their unique characteristics? Let's delve into the world of dormers and explore what they're called and their significance in architecture.

12 Different Types of Dormers with Pictures
12 Different Types of Dormers with Pictures

Dormers are essentially windows or structures that project from a sloping roof, providing additional headroom within the attic space and allowing natural light to flood in. They come in a variety of shapes and sizes, each with its own charm and purpose. Let's explore the different types of dormers and their names.

an image of a house with roof shingles and attic dormers on the top
an image of a house with roof shingles and attic dormers on the top

Types of Dormers

Dormers can be categorized based on their shape, size, and the way they protrude from the roof. Each type serves a unique purpose and adds a distinct aesthetic to a home's exterior.

four different views of a white house with yellow shingles on the roof and windows
four different views of a white house with yellow shingles on the roof and windows

Before we dive into the different types, let's clarify some common terminology. The main parts of a dormer are the dormer face (the wall that protrudes from the roof), the dormer head (the top of the dormer), and the dormer cheek (the sides of the dormer). Now, let's explore the various types of dormers.

Gable Dormers

four types of dormers on top of each other with the names above them in black and white
four types of dormers on top of each other with the names above them in black and white

Gable dormers are one of the most common types, featuring a triangular roof that mirrors the shape of the main roof. They are characterized by their gable ends, which can be decorated with finials or other ornate details. Gable dormers typically provide the most headroom and are often used to create additional living space in the attic.

Gable dormers can be further categorized into full-dormers and half-dormers. Full-dormers have a full-height wall and ceiling, while half-dormers only have a partial wall and ceiling, creating a cozy nook rather than a full room.

Hip Dormers

What Is a Dormer? The Most Common Types to Consider — Better Homes & Gardens
What Is a Dormer? The Most Common Types to Consider — Better Homes & Gardens

Hip dormers have four sloping sides, similar to a hip roof. They are often smaller than gable dormers and are typically used to provide natural light and ventilation to the attic space rather than creating additional living space. Hip dormers can be found in various shapes, including square, rectangular, or even hexagonal.

Hip dormers are often used in combination with other dormer types, such as a gable dormer with a hip dormer on either side, creating a unique and visually appealing roof line.

Dormer Styles

13 Types Of Dormers (Benefits & Designs)
13 Types Of Dormers (Benefits & Designs)

In addition to their shape, dormers can also be categorized by their architectural style. The style of a dormer can greatly impact the overall curb appeal of a home and help to define its architectural character.

Let's explore some of the most common dormer styles and their names.

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a yellow house with white trim and windows
a yellow house with white trim and windows
a house with dormer and main roof labeled in the words dormer above it
a house with dormer and main roof labeled in the words dormer above it
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an image of a two story house with windows on the front and side of it
an image of a two story house with windows on the front and side of it
New Arts and Crafts Inspired Residence, Middleton Development, Nashville Tennessee
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an image of a roof that has been built into the side of a house with some details on it
an image of a roof that has been built into the side of a house with some details on it
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a screenshot of a house being built on the app
Cloverfields as of March 2021: The Main House 1705 Dormer Restoration — Cloverfields Preservation  Foundation
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Dfaguimba
Dfaguimba
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a poster with instructions on how to build a dormer window for your home or office
a poster with instructions on how to build a dormer window for your home or office
two houses side by side, one with a red roof and the other has blue shutters
two houses side by side, one with a red roof and the other has blue shutters
an image of a house being built with wood framing and roof trusses on top
an image of a house being built with wood framing and roof trusses on top
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Cottage Dormers

Cottage dormers are typically small, often with a single window, and feature a simple, straightforward design. They are often found on Craftsman, cottage, and bungalow-style homes. Cottage dormers can have a gable or hip roof and may or may not have a full-height wall.

Cottage dormers are often used to provide natural light and ventilation to the attic space and can add a touch of charm and character to a home's exterior.

Eyebrow Dormers

Eyebrow dormers, also known as eyebrow windows, are characterized by their curved or arched shape. They are often found on Art Deco, Craftsman, and Mission-style homes. Eyebrow dormers typically have a single window and are used to provide natural light and ventilation to the attic space.

Eyebrow dormers can be a striking architectural feature, adding a unique and distinctive touch to a home's exterior.

When it comes to dormers, there's no one-size-fits-all solution. Each type and style serves a unique purpose and adds a distinct aesthetic to a home's exterior. Whether you're building a new home or renovating an existing one, understanding the different types and styles of dormers can help you make an informed decision that enhances both the functionality and curb appeal of your home.