Windows come in different sizes and heights, and the choice of window size often depends on a number of factors such as the building's architectural design, personal preferences, and building codes. However, there are some common sizes and heights of windows that are used in most residential and commercial buildings.

The standard height of a window typically ranges from 24 inches to 72 inches (61 cm to 183 cm), with 36 inches (91 cm) being the most common height for a residential window. However, taller windows are often used to allow more natural light and provide better views.

For example, large picture windows, which are designed to provide unobstructed views, often have heights that range from 60 inches to 96 inches (152 cm to 244 cm). In contrast, smaller windows, such as those used in bathrooms or basements, may have heights that range from 18 inches to 24 inches (46 cm to 61 cm).

It's important to note that window height can also be affected by building codes and regulations, which may require certain window sizes and heights to meet safety and energy efficiency standards. For instance, some building codes may require windows in bedrooms to be a minimum height to ensure that they can be used as emergency exits.

When choosing window heights, it's important to consider factors such as the amount of natural light desired, the building's energy efficiency, and the overall aesthetic of the building. Consulting with a professional contractor or designer can help ensure that the right window heights are chosen for your building.

Commonly used window heights:

450mm

600mm

750mm

900mm

1050mm

1200mm

1350mm

1500mm

Window widths can vary greatly depending on the architectural design of a building, personal preferences, and building codes. However, there are some common widths of windows that are used in most residential and commercial buildings.

The standard width of a residential window typically ranges from 18 inches to 36 inches (46 cm to 91 cm). However, larger windows can also be used to provide better views and more natural light. For example, bay or bow windows, which are designed to protrude from the building and provide panoramic views, can have widths that range from 48 inches to 96 inches (122 cm to 244 cm).

Window widths can vary greatly depending on the architectural design of a building, personal preferences, and building codes. However, there are some common widths of windows that are used in most residential and commercial buildings.

The standard width of a residential window typically ranges from 18 inches to 36 inches (46 cm to 91 cm). However, larger windows can also be used to provide better views and more natural light. For example, bay or bow windows, which are designed to protrude from the building and provide panoramic views, can have widths that range from 48 inches to 96 inches (122 cm to 244 cm).

	1 Light - 487mm & 610mm
	2 Lights - 1770mm
	3 Lights - 915mm & 120mm
	4 Lights - 2339mm