The Chiltern Hundreds 101/102 timetable will have four journeys re-timed on Mondays to Fridays as follows: the 0605 and 0750 from High Wycombe will be re-timed five minutes earlier and the 1706 from Uxbridge will be re-timed four minutes later. The 1745 journey from Uxbridge will have a very minor re-time between Uxbridge and Beaconsfield.
The Chiltern Hundreds 104/105 timetable will have five 105 journeys re-timed on Mondays to Fridays as follows: the 0700 and 0815 from Uxbridge will be re-timed ten minutes earlier with the re-timed 0650 from Uxbridge continuing beyond Chesham, Broadway to Chesham Grammar School on schooldays. The 0816 from Chesham will depart a minute earlier and the 1438 from Chesham will depart two minutes earlier. The 1550 from Chesham will now start from Codmore Cross on schooldays at 1550 and will operate eight minutes later from Chesham, Broadway all year round.
No changes will be made to the Chiltern Hundreds 103/X103 services. Weekend timetables on all Chiltern Hundreds services will remain unchanged.