Another update from Richard Clinnick. This has been going on so long that he's now on his 3rd job since the start, and is now editor, Modern Railways...

So far treated - 7 5car 800/0s, 3 9car 800/3s, 12 5car 802/0s and 6 802/1s
800013 & 802017 currently at Eastleigh
In total, there are 93
IETs▸ , 57 owned by Agility. Of those, 28 5car 800/0s and 18 9car 800/3s still need to be treated That leaves 36 IETs owned by Eversholt of which 9 5car 802/0s and 7 9car 802/1s have yet to be treated
[if these figures don't add up, they're Richard's not mine!]