| 101 | | Uxbridge | Wycombe Marsh, Holtspur, Gerrards Cross, Denham | 05:23 | |
| 102 | | York Road (UB8) | Wycombe Marsh, Holtspur, Beaconsfield New To, Gerrards Cross, Denham | 05:43 | |
| X103 | | Watford | Wycombe Marsh, Holtspur, Beaconsfield New To, Old Amersham, Amersham-on-the-Hil, Little Chalfont, Chorleywood, Rickmansworth, Croxley Green | 05:53 | |