From LHR:
20% catch the National Express coach
60% Drive then park at Q-Park Flyaway
20% Stay & Park deal at Sheraton Skyline
From LGW:
For daytrips through to 2 nights away - there may have been a chance that I, from time to time, abused my staff parking access. What the hell I've left now - replace 'from time to time' with 'every time'
More than two nights away previously and from now onwards every time I fly from LGW:
80% Coach
20% Rail