Strictly speaking that's not Presfax, as it's not generated on Ceefax-era kit. I guess the name has stuck despite an upgrade...
The name Presfax predated the teletext looking version by many years
That only came about when they moved to the Broadcast Centre, prior to that it was a basic black and white terminal type display. All the suites at TVC had teletext look displays called the SSD, but they didn't leave the building as far as I know.
'Presfax' dates back to the days of the manual galleries for NC1 and 2. There was a Presfax Operator who sat in the gallery entering and updating the information