For the future, I think it just means expensive bikes.
The Boardman Performance Centre wasn't a shop, it was some sort of research, bike design, and training facility.
Boardman has a linked high end Performance brand of bikes.
I think some customers for a Boardman Performance bike could go to the Performance Centre to have a bike fit, and have their physiology measured like the pros.
Unlikely it ever made any money, but was a useful 'halo' to position Boardman bikes as bikes for serious cyclists.
To complicate matters further, there was a story a short while ago that the centre had been sold.
https://www.boardmanbikes.com/gb_en/performance-centre/