Ambassador, British Airways; FlyerTalk Posting Legend
Join Date: Apr 2012
Location: Leeds, UK
Programs: BA GGL/CCR, GfL, HH Diamond
Posts: 42,967
I suspect they will change to T5 in due course.
On the slim chance they are not, all the details are in the guide linked to in the dashboard. Essentially in normal times no perks on the transfer, fast track security on arrival at your outbound terminal.