Put a super under the full one and se what happens.
If there is a flow on they will collect more or move honey up from the brood area for the queen to expand.
If you are in in OZ then we would leave 5 frames in an 8 fr box for winter, so I suppose 6 in a 10.
The question of location is important, as OZ is the same size as the US and winter from North to South is just as variable.