Actually, it is. The Ordinary National Certificate was replaced with the B/TEC National Diploma half a decade before I came into teaching in 1989. You must be a mature person!
And yes, the whole program takes 4 to 5 years. With another couple of full time years for degree top up.
Those programmes do still exist but I agree entirely with your point about the shelf-stacking and mickey mouse stuff the current administration are bringing in (as their political forefathers did in the 1980s).