A complete VELUX size chart for replacing your roof windows!

Posted by Lawrie Fraser on 4th January 2023

When replacing a VELUX roof window. Things can get confusing. With 3 different generations still in circulation in 2023. Here is a full VELUX size chart for replacing old to new. 

  • Window size 55 (W) x 78 (H) code 102 or C02 or CK02
  • Window size 55 (W) x 98 (H) code 104 or 6 or C04 or CK04
  • Window size 78 (W) x 98 (H) code 304 or 1 or M04 or MK04
  • Window size 66 (W) x 118 (H) code 206 or 5 or F06 or FK06
  • Window size 78 (W) x 118 (H) code 306 or 14 or M06 or MK06
  • Window size 78 (W) x 140 (H) code 308 or 2 or M08 or MK08
  • Window size 134 (W) x 98 (H) code 804 or 7 or U04 or UK04
  • Window size 114 (W) x 118 (H) code 606 or 4 or S06 or SK06
  • Window size 94 (W) x 160 (H) code 410 or 3 or P10 or PK10
  • Window size 134 (W) x 140 (H) code 808 or 8 or U08 or UK08

Where do i find my roof window size? 

You can easily find VELUX window codes on the top right-hand edge of the roof window when you open it. The data plate tells you the type of window it is and the window size shown through the code (as seen below.)

If you have any questions please contact us at sales@yarddirect.com