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Bay Window versus Bow Window

September 15, 2012 0

As a homeowner you are always looking for ways to improve the look of your home (while adding some value as well). Adding new windows and doors can be a great way to increase your curb appeal, reduce energy costs and increase the total value of your home. Two of the most prominent types of windows are Bay Windows and Bow Windows. Here is the difference between Bay and Bow Windows.


A bay window is a window that projects outside of the wall allowing you to view more of the outside than a regular window. It can be square, hexagon or an octagon in shape. A bow window is a curving bay window.

What’s the Difference?

A bay window is often associated with angled corners at varying degrees ranging from 90, 135 and 150 degrees often used in Victorian architecture. Bow windows are typically four or more casement windows that form an arch and are associated with the Federal period of architecture in the United States.


Many people feel a bow window allows for more light because the curve gives the illusion that it is one big window. A square bay window can protrude further out side of the building, allowing for more views to the side.


Bow windows were first used in the eighteenth century in the United Kingdom. They were first used in the United States during the Federal style architecture around the same time. Bay windows started to appear during the Victorian era of the nineteenth century when their angled lines fit better with that style of architecture.


The bow window and bay window can be made to fit any size opening. Both windows can be made to accommodate seating or storage underneath the window, provided the structure can hold the load of the extra weight. Both the seating and the window will be protruding from the side of the building.

Whether you need a bay window, a bow window or any other type of window for your home (in Southern Ontario) Brock Doors and Windows has you covered. With 23 years in business, 55,000 installs and two showrooms (Brampton and Scarborough) has all of your windows and doors needs.

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