In the UK, WE DO, have phraseology which allows us to give "DESCENT ON THE ILS" before an aircraft reports "LOCALISER ESTABLISHED".
For information the phraseology, for example, IS "BAW123, TURN LEFT HEADING 360 DEGREES, CLOSING THE LOCALISER FROM THE LEFT, REPORT ESTABLISHED AND WHEN ESTABLISED ON THE LOCALISER DESEND ON THE ILS."
Im not sure if this is word perfect from the MATS PART 1 but it is pretty close.
The reason MOST UK ATCOs dont use this is because it is too long or they cannot use it for operational reasons, for example, some airfields have corridors used for VFR traffic underneth the glidepath. I'm sure HEATHROW DIRECTOR will love to recount some of his stories.
However some units/ ATCO's do use it.
Hope this helps.