Thanks for the replies and it was as I thought-BA pulling the plug. Huge credit to the RAF Museum for taking on the ex-BOAC Brit and re-painting it in RAF colours: fair enough, even tho it never served with them and this outcome was 1000% better than it being broken up with the others.
HQ: here are links to the photos of the lost or moved airliners that I took during my visit to Cosford in 1994:
G-AMOG
ScanImage9a | Flickr - Photo Sharing!
G-ARPH
ScanImage9a | Flickr - Photo Sharing!
G-ARVM
JetPhotos.Net Photo » G-ARVM (CN: 815) British Airways Vickers VC-10 by Michael Blank
G-AOVF when it was in BOAC colours:
ScanImage13 1024 | Flickr - Photo Sharing!
G-APFJ
455Cosford140894707G-APFJ | Flickr - Photo Sharing!