If you want something that is just slightly smaller than the standard 3 foot exterior doors then trimming down a standard sized door to fit is a good option.
Standard external door opening sizes uk.
Typically fire doors sizes are 27 x78 30 x78 and 22 x78 but may also be available in the smaller size of 24 x78 metric fire doors may also be available with standard sizes ranging from 626mm x 2040mm and 726mm x 2040mm to 626mm x 2040mm and 926mm x 2040mm.
At bso we provide a core range of the most prolific door sizes from stock.
Clearance is the allowance we give around the door and frame.
Adjusting the size of an external door.
Entry doors are usually 36 inches wide.
It can take 10 12 weeks to get an extra tall or extra wide door made depending on the size and the type of material.
The most common standard door sizes for both imperial and metric external doors are 30 x78 32 x80 33 x78 34 x82 36 x84.
The standard heights and widths of external doors are often comparable to standard internal door sizes.
Uk standard door sizes.
While a door width of 36 inches is oversized for an interior door it s the standard size for front doors the standard height remains the same however.
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.
On this page we explain the standard internal door height and standard internal door size door width.
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.
However it is possible for front doors and other external doors to be sized differently.
External doors size guide.
Internal standard door sizing uk.
Jb kind doors offer a core selection of the most common door sizes from stock and if you have a non standard size requirement bespoke sizes can be ordered for many of our door ranges.
The main difference is seen in the thickness of external doors.
We offer on site measuring for large projects in the case of smaller fit outs to enable us to give the most accurate door sizes and measurements we will ask for a structural opening.
1981 x 457 533 x 35mm door sizing usually most popular for wardrobe or cupboard door use.
Use the below calculator as a guide to work out your door size.