1 April 2015
 Quality Line MCL9 BN12EOR Croydon
| 25 September 2015
 Quality Line MCL10 BN12EOS Heathrow
|
25 September 2015
 Quality Line MCL14 BN12EOW Hatton Cross
| 25 September 2015
 Quality Line MCL15 BN12EOX Hatton Cross
|
25 September 2015
 Quality Line MCL8 BN12EOP Heathrow
| 21 July 2017
 Go-Ahead London WVL334 LX59DDL Hatton Cross
|
21 July 2017
 Go-Ahead London WVL337 LX59DDU Hatton Cross
|