Emelle I don't think it's selfish. Just because we are all getting on, it doesn't mean that any move has to be final and trying things out is the only way to be really sure. You can't sacrifice your own happiness for others however close they are. It sounds like you have had a good opportunity for a proper reflection and know what is going to suit you best.
Are you in your forever house?
Are White British Men somehow “disadvantaged”

. The very best of luck.