Well, my prediction is that some B9TL's will no doubt end up at Consett as there's no way that the PVR and spare ratio can be made up without taking more StreetDecks from Chester (unlikely to move).

Also, no registrations have been made to change the X30/X31 or X70/X71. Perhaps a change to the X45/X46/X47 will be enough to allow new interworking patterns for the X45/X46/X47 as well as X30/X70/X71

Guess 1:
- 9x new ADL E400MMC X30/X70/X71
- 2x new ADL E400MMC spare
- 3x 2019 ADL E400MMC (no bikes) X45/X46/X47
- 8x new StreetDeck X45/X46/X47
- 3x 2017 StreetDeck X45/X46/X47
- 3x 2014 Volvo B9TL X31*
- 1x 2014 Volvo B9TL spare*

*Could the X31 move to Chester Le Street (if still terminated at Stanley) given the 78 went the other way? Also, that would keep some commonality to an extent given Chester Le Street also have Volvo B5TLs.

Guess 2:
- 9x new ADL E400MMC X30/X70/X71
- 2x new ADL E400MMC spare
- 3x 2019 ADL E400MMC X31 (bike mods retrofitted?)
- 8x new StreetDeck X45/X46/X47
- 3x 2017 StreetDeck X45/X46/X47
- 3x 2014 Volvo B9TL X45/X46/X47
- 1x 2014 Volvo B9TL spare