The main difference is seen in the thickness of external doors.
Standard external door opening width uk.
External doors size guide.
This extra space is intended for the jamb and the floor covering.
However it is possible for front doors and other external doors to be sized differently.
Some of the most common standard uk door sizes are.
Aka a 2 6 door.
This is the minimum width required for a passage door.
As the size of the frame you require will depend on the size of the opening there is no standard uk door frame size.
Don t make any mistakes when it comes to measuring up yoru external back doors with our helpful guide packed with our expert tips.
The most common standard door sizes for both imperial and metric external doors are 30 x78 32 x80 33 x78 34 x82 36 x84.
1981 x 610 686 x 35mm a popular door size for restricted spaces where a smaller door is needed.
The most common door frame width is 762mm in england wales and 726mm in scotland to accommodate the most popular door sizes of the same size.
1981 x 457 533 x 35mm this door size is often used for cupboard or wardrobe doors.
Door frames can be supplied pre assembled or in component parts which can be cut to size to fit all door sizes.
Structural opening clearance 910mm 10mm 900mm back to back of door frame 900mm.
As external doors need to be more sturdy they are usually thicker with 44mm 1 3 4 being the most common thickness in domestic settings.
All external doors are usually supplied 44mm thick.
Standard interior door width is 32 inches.
When you buy standard sized doors the standard door width is 36 inches wide and the height is 80 inches and these are designed to fit in a rough opening that is 38 inches by 82 inches.
External doors that are 54mm 2 1 8 or thicker and 40 mm 1 2 3 are sometimes also available.
You may also find a few narrower doors in stock including 30 inches 28 inches and 24 inches.
900 32 3 3 840mm this means door size width will be 840mm.
The opening of an average front door is 82 5 inches in height and 38 inches in width and the most typical standard size uk door is designed to accommodate this space.
Door frames can be supplied pre assembled or in component parts which can be cut to size to fit all door sizes.
In scotland the most common door frame width is 726mm.