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Bedroom Window Size (Dimensions Guide)

Here’s our bedroom window size design guide including different types of window dimensions and measurement requirements for bedroom windows.
Bedroom with sliding windows gray paint lampshadeOne thing a prospective buyer or renter is looking for in a house or an apartment is whether or not it’s bedroom has windows, and you can’t blame them.

Windows not only promises a view of the outside; they also provide electricity-saving by allowing light to come in the room during the daytime, and add to the overall aesthetic appeal as they make a room look bigger. 

This article will guide you through different window sizes and dimensions to help you decide what type and what proportion your next window should be.

Standard Bedroom Window Size

When you are looking to construct or revamp a home, the windows are an integral part. Usually, there are window sizes available ready-made; though they are not considered standard sizes, they are what builders or contractors typically use in their business. 

A window’s standard size is dependent on many factors, such as when the house was built or how proportionate it is to the house, to name a few. 

With that said, the most common window size is 24” x 36”. Standard bedroom window widths are 36”, 48” and 60”. 

To develop a comprehensive list, we will list seven common bedroom window types and the usual size or dimensions they come in. 

Single or Double Hung Window

Single or Double hung window sizeThis type of window is one of the popular window types usually found in bedrooms, kitchens, and hallways. The main difference between the two is a double-hung window has two sashes which means it can move all the way up.

On the other hand, a single-hung window only has one. The conventional width for this window is anywhere between 24 to 48 inches. 

Picture Window

Picture window sizeThis window type is designed for maximum light coming into a home. They usually don’t open and can be found in different parts of the house, including bedrooms.

Most are ordered by custom sizing, but there is also some available ready-made on the market. The most common sizes have a width between 24 to 96 inches. Read our in-depth guide to picture windows here.

Sliding Window

Sliding window sizeOften installed on bedrooms, kitchens, or basements — they are commonly much broader than they are tall. Sliding windows are also easier to install. They come in widths from 36 inches to 84 inches.

Bay Windows

Bay window sizeBay windows bring in more light into a home and add aesthetic and architectural design to a house. They are usually more expensive than the other window types, but they’re a worthy investment if you add in the aesthetics and added functionality. 

Bay windows usually come in sizes between 3 feet 6 inches to 10 feet and 6 inches. 

Casement Windows

Casement window sizeCasement windows open from the side. Usually found in warmer places as they allow the breeze to enter the home. They are much reliable than the single or double-hung windows in this aspect and also much cheaper.

Casement windows usually come in widths from 1 foot 2 inches to 2 feet and 11.5 inches. 

Awning Windows

Awning window sizeWindows that open from the top, awning windows are like casement windows as they afford ventilation in a home. They are also often used in coordination with other window types, such as picture windows, as they can be opened even when raining. These types have a width of 2 feet to 3 feet 10 inches. 

Custom Windows

Modern farmhouse bedroom with gray paint and custom windowCustom windows, as the name would suggest, are made to fit your house’s openings. These are the type of windows that can be customized to your exact preference. Remember to order them in advance to meet your construction or bedroom renovation timeline. 

Standard Bedroom Window Height

Single or Double Hung Window

The conventional length for single or double-hung windows is between 36 to 72 inches. 

Picture Window

Picture windows can have a height as tall as 12 to 96 inches. 

Sliding Window 

Since sliding windows are broader, heights are usually a foot lower than the widths they come in. If you have a sliding window with a width of 84 inches, the extent of this window will usually fall in 60 inches. Sliding windows typically come with a height from 24 to 60 inches. 

Bay Windows

Bay windows are also broader than they are taller. Regular sizes that are not custom-made frequently fall between 3 feet to 6 feet and 6 inches tall. 

Casement Windows

Casement windows are the other way around as they are most often taller than they are thicker. They usually come in height between 2 feet 5.5 inches to 6 feet 5.5 inches. 

Awning Windows

Awning Windows are also taller than they are thicker, usually with a height of 1 foot 8 inches to 7 feet 8 inches. 

Minimum Size of Bedroom Window

Minimum window sizeTo be able to be considered a bedroom, a room should have a minimum of one window. Recent design and architectural trends gave rise to more oversized bedroom windows than usual, but some still opt for smaller windows.

The minimum standard bedroom window size is 24 inches by 36 inches. Many older houses still use this dimension. 

Bedroom Window Requirements

Building codes provide bedroom window requirements. Generally, it is the same from state to state. A bedroom should at least allocate 8 percent of its floor area to a window. In addition, the window is required to be able to be opened halfway or 4 percent. 

Bedroom Egress Window Size

Egress window sizeEgresses are emergency exits, and building codes require a house to have them for bedrooms not immediately connected outside on streets or front or back yards through a door.

It’s essential to consider adding egresses in case of accidental fire and whatnot when renovating or building your home. Egresses can be skylights, fire exits for apartments, but most commonly, they could be windows. 

Bedroom Egress Requirements

Bedroom windows should have the minimum egress requirement of at least 20 inches wide and 24 inches tall. It should have an opening of 5.7 square feet, big enough for an average-size person to crawl in and out of, like firefighters. 

For safety purposes, bedroom windows should not be installed 44 inches or above a floor, but they should not be installed so low to avoid accidents of children climbing it. 

It’s also important to note that such egresses and windows should be ready and viable for opening without the aid of keys or other tools. 

For more related content, visit our article about standard window sizes here.

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