I also note that T320FGN and T421GGO have been repainted out of Arriva London livery and into TGM Group livery - I assume T318FGN has also received the same treatment.
Classic Coaches of Annfield Plain: T320FGN by danielgrahamm, on Flickr
Classic Coaches of Annfield Plain: T421GGO by danielgrahamm, on Flickr