That's not how I read your initial post:
So was I. That is what I was agreeing with him
You seem to be saying Ph performance levels are not desirable, given the [your understanding of ] cost. Jeremy is saying Ph _certification_ is not desirable given the cost.
A passive house is great engineering achievement, but apart from bragging rights, does it really make sense? It seems to me that the last few £'s being spent to get a passive house is not sensible.
Edited by gravelld, 10 April 2016 - 06:27 PM.