In GA, I think a lot of the above-GS intercepts happen because one is given a descent to the platform and then the final (base leg) vector arrives very soon after. To make the platform altitude before reaching the localiser, one may need to descend at 1000fpm or more, but one is not going to be doing that because say -500fpm was plenty fast enough while on the previous vector, and it is only the final vector which makes the current ROD too small, but it is too late to do much about it (except do a little "DIY" heading adjustment to intercept the LOC a bit further out). I can straight away recall 2 occassions where this obviously happened.
No UK ILS procedure is authorised for glidepath intercept from above
So,
chevvron, given that you and Roffa are both ATC, how does one reconcile this?