Some Bath Road hotels are just as convenient. Travelodge Central (dont laught) especially their plus rooms have a bus stop outside. For the Gibraltar do, leaving hotel to CX F including check in and security 17 minutes. Cost aŁ1.50 on an oyster or contactless card. The Moxy, Renaissance or Premier Inn on Bath Road have TFL bus stops outside them too and are free 24/7 to Heathrow Central Bus Station.