How to fit a door frame

We're replacing an internal door and the existing frame is too wide for the new door. How do you size and fit a door frame from scratch? Worth attempting as a DIY job?

Asked by Kamil on 9th Jun 2026
Expert Trade Answers
"Say the frame is 760mm the closest door for example would be a 762 door and this would mean planing 2mm of the door and scribing. I would not advise attempting this job yourself if you dont know what your doing"
Answered on 9th Jun 2026 - Member since May 2026 - report
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