So, you've become Lord President of Gallifrey (or Ardethe if you are on the RBSMP). Well, download this outfit, edit your skin on the grey parts, put your Chapter colour on the back of the headpiece (where the grey hole is) and you are good to go!

If you aren't on the RBSMP and don't know what your House is, here is a link to all the Houses:

tardis.fandom.com/wiki/Chapter