If you will be in London or parts of England in the end of September and into October, you may want to know:-
Piccadilly Line tube strike - the line which serves Heathrow - a long one,
Wednesday 26 September, Thursday 27th September, Friday 28th September, Saturday 29th September.
This is now past.
Train strikes.
South Western Railway
Friday, October 5, Saturday October 6 past
Arriva Rail North - known as Northern
Saturday 6 October past
Saturday 13 October
Saturday 20 October
Check before travel.
EDIT - if you are going to Hampton Court Palace, Windsor Castle (from Waterloo or Vauxhall), Portsmouth or Salisbury by SWR, check your dates.
South Western Railway have announced nine more strike days . Five days from 23 October and all four Saturdays in November.
This is all because of the same issues that caused so much pain on Southern.
There are also further disputes on Southern Railway, Northern Railway, and Merseyrail on the same issue