Gary
I wish I had an answer, but you've posed a very specific question beyond my knowledge.
As I drilled down through the battalion organization, one thing struck me about NCO strength.
http://www.bayonetstrength.uk/Britis...%20Nov1944.pdf
The bulk of the rifle battalions were Ptes and Cpls. To my mind few NCOs or WOs. I'd have expected more for some reason. As well where the various appointments were assigned. The one that caught my eye Regimental (err? Battalion) Sergeant Major was not attached at the hip to the OC or Admin O, but to the Intelligence Officer. The Intelligence staff, the Clerks and the Snipers would therefore become the RSM's direct troops.