Yay! well done Paul.
That's the way to do it!
Well done. Wheel "creaking" that follows the wheel itself is usually uneven spoke tensions I think.
Do you remember the "tick-tick-tick" on the RH wheel of the Wonky-Donkey that followed us all round the place?
Was a "looser-than-the-others" spoke. "Creaks" are often when spokes are "woven" in the build and uneven tension allows them to move and to "rub".
However, I have also noticed a creak when I pedal hard, its the seat frame flexing in the cup(s) it sits in. A bit of tape/rubber lining and it stops.