NOT YET ANNOUNCED FIRST BERKSHIRE CHANGES
Although not yet announced publicly, at least to my knowledge, reader Mark Smith has kindly given me a heads-up that looking ahead on Bustimes.org there appear to be some changes coming to the First Berkshire network, effective Sunday 7th December. These should only really be taken as a guide for now until details confirmed, but apparent highlights include...
The 6 appears to change from being a not-quite-hourly Wexham Court - Slough - Burnham (south) - Taplow - Maidenhead route, into a broadly half-hourly (Mon-Sat) Wexham Court - Slough - Trading Estate - Britwell - Burnham (northern loop) route. This adds Wexham Park Hospital along the way, but now running west of central Slough along what is currently route 12 north of the railway, rather than to/from Maidenhead south of the railway. On Sundays, it looks to be an hourly service Slough to Wexham Court route, with the western section (current route 12) not running Sundays today either. One assumes this will therefore see off the 12, if not also the peak 13 trips. The Slough - Burnham - Taplow - Maidenhead link will be maintained by Thames Valley's hourly route 704, launched earlier this year, although this doesn't currently run on Sundays.
The 7 currently runs roughly every 20 mins weekdays and half-hourly weekends Britwell - Slough - Langley - Heathrow Terminal 5. It appears that this will drop to half-hourly weekdays, increase to every 20 mins Saturdays, and remain half-hourly Sundays. The drop in weekdays look to be due to a new variant being introduced, which will provide four buses per hour over the Britwell - Slough - Langley - Heathrow (overall) section.
The 7X looks to be a new weekday service running roughly half-hourly, 0600-1715 from Britwell and 0705-1805 from Heathrow. It looks like it will run as per the 7 Britwell - Slough - Langley Academy, then rejoin the A4 rather than serving more of Langley like the 7. It will then continue to Heathrow Central Bus Station, rather than Heathrow Terminal 5.
You can view the timetables by looking at the First Berkshire page on BusTimes, selecting a route then changing the date in the URL to one after 7th December. Eg changing the end from ?date=2025-11-13 to ?date=2025-12-08