Originally Posted by
ajv23
Aren't I already airside when I hop off the inbound flight that arrives at T5?
At Heathrow arrivals and departures are separated. Unfortunately if you arrive airside you can only go to departures airside at the terminal you depart from. If departures and arrivals are mixed like here in Singapore you could go anywhere but as said, that's not the case at Heathrow.
Globalist