The Admiral class as enhanced Hoods

Would later Admiral-class battlecruisers have departed substantially from Hood's design?

They were more likely to be enhanced Hoods, perhaps faster but still carrying 15-inch guns.

Later Admiral-class ships were likely to be enhanced Hoods. They might have gained more speed, but would probably have retained 15-inch guns. Experience with Hood and the R-class battlecruisers could guide those refinements without producing a wholly new arrangement. The likely path was an improved fast capital ship rather than a jump to the later Nelson layout.