I'm assuming TV-am and Granada shared some sort of facility in Blackpool, judging by the signage in the background?
Ooh, I never noticed that. Great spot.
On a related note, this has been uploaded to the TV-AM archive YouTube Channel today - TV-AM goes round the regions the morning after the 1987 General Election in a totally logical (ie seemingly completely random) order:
The same account has posted the next two, including the 1991 edition. This was the edition repeated in March 1993 when Noel's House Party was forced off the air due to a bomb scare.