Originally Posted by
Kalboz
Don't forget to include time involved to schlep your luggage around and up & down stairs where there are no escalators at train station.
No up and/down stairs necessary until the very end.
At BKK there are escalators down to the platform. At Phaya Thai there is now a down escalator from the train platform on the east end. From the ticketing level there is also an escalator down to the level that connects to BTS.
Once inside the BTS gates there's an escalator up and that leaves only the stairs down from the Chit Lom platform since we've already established that access to the GH can be had from the elevated walkway.