Think you'll find it isn't..
May be the same location, but aren't the Channel 4 'merge blocks' and the Film 4 idents, produced by Channel 4 creative along with different design agencies - in different decades?
Edit - that post is about the Diner location by the way...
"Occasionally it gives us something good, but for the most part, it is pathetic and puerile". Lord Taylor, House Of Commons, 1959.