Your Guide to the Different Sizes of Internal Doors In The UK

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The UK has strict regulations when it comes to the sizes of internal doors in the UK. So, don’t expect to find funky door designs when you visit any Brits home. Though both standard and non-standard door sizes exist, how do you know if your house has a standard door size or not? Here, we’ve put together a guide to help you understand the different sizes of internal doors in the UK.

 

Sizes of Internal Doors

 

Standard Door Sizes

Below are four of the most common standard internal door sizes in the UK.

  1. 1981 x 457 mm

The smallest of the standard door size based on width. These doors are generally used as doors for wardrobes and kitchen cupboards.

Imperial door size conversions:

  • Inches – 78 inches by 18 inches
  • Feet & Inches – 6 feet & 6 inches by 1 foot & 6 inches
  1. 1981 x 610 mm

These doors are used for rooms that require doors smaller than the typical 2’6″ doors or have limited wall space. Since they are smaller than 2’6″ and 2’9″ doors, they make suitable doors for small flats.

Imperial door size conversions:

  • Inches – 78 inches by 21 inches
  • Feet & Inches – 6 feet and 6 inches by 2 feet
  1. 1981 x 762 mm

Simply called 2’6″ doors, these are the door of choice for many people in the UK, particularly in England and Wales. These doors are used throughout the interior of a home from bathrooms to bedrooms.

Imperial door size conversions:

  • Inches – 78 inches by 30 inches
  • Feet & Inches – 6 feet and 6 inches by 2 feet and 6 inches
  1. 1981 x 838 mm

Referred to as 2’9″ doors. These doors are great for a home with occupants who have mobility issues. It’s wider than the most popular 2’6″ allowing wheelchairs to pass through it easily.

Imperial door size conversions:

  • Inches – 78 inches by 33 inches
  • Feet & Inches – 6 feet and 6 inches by 2 feet and 9 inches

Other Standard Door Sizes

  • 1981 x 533 mm

Imperial size:

  • Inches – 78 inches by 21 inches
  • Feet & Inches – 6 feet and 6 inches by 1 foot and 9 inches
  • 1981 x 686 mm

Imperial size:

  • Inches – 78 inches by 27 inches
  • Feet & Inches – 6 feet and 6 inches by 2 feet and 3 inches
  • 2040 x 626 mm

Imperial size:

  • Inches – 80 and ¼ inches by 24 and ⅝ inches
  • Feet & Inches – 6 feet, 8 and ¼ inches by 2 feet and 1/8 inches
  • 2040 x 726 mm

Imperial size:

  • Inches – 80 and ¼ inches by 28 and ⅝ inches
  • Feet & Inches – 6 feet, 8 and ¼ inches by 2 feet, 4 and ⅜  inches
  • 2040 x 726 mm

Imperial size:

  • Inches – 80 and ¼ inches by 32 and ½ inches
  • Feet & Inches – 6 feet, 8 and ¼ inches by 2 feet, 8 and ½  inches

Non-Standard Door Sizes

Aside from the usual door sizes, non-standard door measures also exist. Below are some of the most common ones in inches:

  • 78 inches by 15 inches (1981 x 457 mm)
  • 72 inches by 24 inches (1830 x 610 mm)
  • 78 inches by 28 inches (1981 x 711 mm)
  • 78 inches by 34 inches (1981 x 864 mm)
  • 78 inches by 36 inches (1981 x 915 mm)
  • 80 inches by 32 inches (2032 x 813 mm)
  • 80 1/4 inches by 20 11/16 inches (2040 x 526 mm)
  • 80 & 1/4 inches by 36 & 7/15 inches (2040 x 926 mm)

Problems with Non-Standard Sizes

  • Limited in Stock

Though stores mostly offer doors in non-standard measurements, they usually keep their stock sizes close to the ones listed above. It will be hard to find ready-made doors for sizes not included in the list.

Here are some door stores that offer non-standard door sizes:

  • UK Oak Doors
  • Internal Doors
  • Door Superstore
  • Doors and More
  • No Size Available

For doors that have very different dimensions the only way to find a replacement is to have one made. There are stores that offer customizations while others also are made to order/bespoke ones.

How to Choose the Right Internal Doors

  • Take accurate measurements of your door frame and the existing door you have. Wood doors can be adjusted if the measurements are incorrect but for other doors, types modifications can be pricey.
  • Look for trusted stores that offer internal doors in the UK for reasonable prices.
  • Have the door installed by professionals, this is especially important for doors on the expensive side. The last thing you want to damage an expensive solid wood door, or incorrectly install one.

In Summary

Whether you’re buying a new door for a house or replacing an old one, it’s important to get the right one. Knowing what the standard size is will help make your buying process quicker, it will also limit the chances of purchasing a door that doesn’t fit. Turn your door hunting from a complete hassle to a piece of cake.

 

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