Bit speculative but I think it will be interesting when the new kinch electrics come to replace the fleet and if the my15 get the sixes versas, as I've worked out Wellglade could withdraw (NOT SAYING THEY WOULD OR WILL) all there solos (not SR's or TM's london ones).
Obviously if was to happen may be in different orders but to show my point I made a potential list, which includes TM but 1 bus (810) now being fully complient. The list is made in thinking 9 of the sixes versas will be my15s with 1 spare (845), and kinch are all being replaced by electrics however I kept 801 and 822 as spares along side there 107/8 which i assume will stay.
467 could be withdrawn by 829
468 could be withdrawn by 809
470 could be withdrawn by 813
471 could be withdrawn by 802
472 could be withdrawn by 830
473 could be withdrawn by 506
474 could be withdrawn by 501
475 could be withdrawn by 803
477 could be withdrawn by 805
478 could be withdrawn by 801
479 could be withdrawn by 822
480 could be withdrawn by 502
483 could be withdrawn by 503
484 could be withdrawn by 806
485 could be withdrawn by 807
486 could be withdrawn by 808
487 Not in use
490 Not in use
491 could be withdrawn by 817
492 could be withdrawn by 845
This list don't include kinch mango spares 175, 714/5/6, 740 which may also potentially could go back to Trent too. But this will leave only the SR's 493 to 510