How triple turrets saved crew and displacement in the Nelson class

Was the Nelson class efficient in its use of displacement, and did its armament layout reduce crew requirements?

Yes. Three triple turrets required fewer crews than four twins and helped the design use its limited displacement more efficiently.

The Nelson-class all-forward battery was not only a way to concentrate armor and firepower. Using three triple turrets also reduced crew requirements compared with four twin mountings. That personnel saving contributed to the design's efficient use of its treaty-limited displacement, although it did not remove the other compromises created by concentrating the battery forward.