Originally Posted by
NWIFlyer
Or, if you really want to squeeze the price, hop off at Hatton Cross, go through the barrier, and straight back again to avoid the TfL Heathrow permanent peak surcharge. £3.40 off-peak, £5 peak, then the Hatton Cross to Heathrow bit is free on contactless.
It's the Heathrow version of the East Croydon trick going to Gatwick.
I really don't see very many people doing this - especially with luggage/ It seems to be more in the theoretical FT world of things to do than in the real world.