More off-piste examples...
Meadowhall
Derby since the remodelling, as platforms 5 & 6 can't access the Tamworth lines, and platforms 1 & 2 can't access the line to Trent Junction.
I suspect we're getting very much off-piste indeed, and I would contend that Derby is so far off piste that it's not a "wedge station" with platforms out beyond the junction. There are many stations where you can't exit from the station onto all lines leading out from that end - all the way from St Erth (platform only points to St Ives) to Inverness (platforms pointing only towards Dingwall, and platforms pointing only east and south)
I'd say some of those don't remotely qualify - notably Inverness, which doesn't have a junction splitting before a through station (with a platform having faces on both separating lines) - it only has a junction splitting after leaving a terminus, and that only one platform track.
Derby is like many (perhaps most) large stations with a junction next to them: some of the outer platforms can't connect to some routes at the junction - like Exeter? Meadowhall is disjoint - two stations linked by a footbridge or path - like Clapham Junction; would you count Willesden Junction?
I think Brixton (like Carnforth) has lost its rosette due to deplatforming. But there is one more big London example everyone knows - Stratford! OK, P11/12 are a sideshow compared to the other complicated stuff that goes on, and currently seem only to be used for terminating services, but at least 10A is back in use.
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