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  1. Bespoke internal doors
  2. Grey Internal Doors & Interior Grey Doors – Wonkee Donkee
  3. Wonkee Donkee XL Joinery door collections
  4. Wonkee Donkee XL Joinery room dividers
  5. Wonkee Donkee XL Joinery door sets and frame kits
  6. Fitting Wonkee Donkee XL Joinery doors
  7. Doors - general information
  8. General information - Internal doors
  9. General information - External doors
  10. General information - Other doors
  11. Preparing for a new door
  12. Fitting a new door
  13. Wonkee Donkee XL Joinery style tips for homes
  14. Internal door handle packs
  15. Doors - A-Z glossary of terms
  16. Customer doors from Wonkee Donkee XL Joinery
  17. FAQs

What internal doors sizes are available in the UK?
         
         
  Buy internal doors with top quality finishes  
         
         
  internal doors are usually smaller than external doors. Size your door correctly to ensure you order the right thing  

Doors typically come in a range of popular standard sizes and can often be trimmed a little to get an exact fit. This is true for kitchen doors, bathroom doors, bedroom doors, and all doors found in most homes. Custom doors are available which can be made to measure for doorways which do not match the standard sizes, but these will be more expensive and typically have a lead time of around 16 weeks. 

 

  
         
  internal doors are usually smaller than external doors   Internal door leaves have typical thicknesses of 35mm (1 3/8") for imperial sizes or 40mm (1 2/3") for metric sizes. You can also get 44mm (1 3/4") and 54mm (2 1/8") doors - these thicker ones are usually fire-rated doors. Below are common standard door leaf sizes; individual manufacturers may not carry all these sizes and some might have a larger range of standard sizes.  
      buy internal doors with top quality finishes   
         
 

Internal door sizes

These sizes are for the door leaf, allowances need to be taken if you need to install a frame into a rough opening

  
 

Popular internal door heights

  
   

Metric (mm)

Imperial (inches)
Standard imperial internal door heights
1981mm 78"
   
2032mm 80'"
   
   
   
Standard metric internal door height
2040mm  80 1/4"
   
   
   
 
 

Popular imperial internal door widths 

  
   

Metric (mm)

Imperial (inches)
457mm 18"
   
533mm 21"
   
610mm 24"
   
686mm 27"
   
762mm 30"
   
813mm 32"
   
838mm 33"
   
864mm 34"
   
   
 		  
 

Popular metric internal door widths

  
    

Metric (mm)

Imperial (inches)
526mm 20 3/4"
   
626mm 24 5/8"
   
726mm 28 5/8" 
   
826mm 32 1/2" 
   
926mm 36 1/2" 
   
   
Buy internal doors with top quality finishes		  
     
Wonkee Donkee says "The most common size of interior door leaves in the UK is 762mm x 1981mm x 35mm."

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