door width standard
Charlotte Adams
Updated on June 19, 2026
By far the most popular standard door widths in the UK are 762mm (or 30 inches) and 838mm (33 inches). A door width measuring 838mm are more commonly used in modern buildings, as they comply with regulations for disability access.
What is a standard door width Australia?
The most common interior door size in Australian homes is 820mm wide by 2040mm high, but many newer properties now have taller doorways of 2340mm so this is fast becoming a standard size for many ranges.
How wide is a 30 inch door?
In the building trades, a 30-inch door is called a “2-6” door, meaning 2 feet, 6 inches wide, or 30 inches.
What is the average width of a front door?
One of the most common front door sizes in American houses is 36 inches wide by 80 inches tall, and almost 2 inches thick. However, not all doors will have these measurements. Doors can be as narrow as 30 inches and as tall as 96 inches, and thickness can depend on the door material.
What is the minimum door width in Australia?
The standard door frame width in Australia is either 645 mm or 710 mm for an exterior door, while there are no specific dimensions for interior ones.
What is the minimum width of a door?
Called a 6/6 door, it’s reserved for closet and utility doors. Standard door width for interiors is 32 inches. This is the minimum width required for a passage door. You may also find a few narrower doors in stock, including 30 inches, 28 inches, and 24 inches.
How wide are French doors?
The size of a French door will be set by its manufacturer, but generally, it will be between 30-72” in width per door. Usually, they can be bought in increments of 2 inches. French doors are usually sold as a pair of around 120cm, 150cm or 180cm in total. If the doors have sidelights, they could be wider – up to 300cm.
What door size do I need?
Just add 2″ to the width of the actual door size. You should add 2-1/2″ to the height of the actual door. This will give you room to space the door frame off of the sub-floor.
How do I know what size door I need?
Take three measurements inside the door frame – at the top, middle and bottom. The widest measurement determines the width of the door. Use a tape measure to understand the width of the three areas of the door frame. Run the tape measure along the width of the frame from the left to the right and record these numbers.
How narrow can an internal door be?
Made to measure internal doors come in a number of different sizes. Small internal doors will typically be 762mm x 1981mm, while large internal doors can be as big as 926mm x 2040mm. There are even narrow door widths that are only 457mm wide, but these are very rare.