Dr. Caroline Engel Purcell:

I suppose it is doable, although it would probably be expensive for a first-time buyer.

What Mr. Hoyne was saying earlier was that we needed more data. We need more data on the retrofit of these traditional buildings through the hydrothermal modelling if we are to develop some sort of library of common construction details or better renovation details, as people have called them, in order that specifiers such as us can go to it, see whether the details are similar to what we have in a building and model ourselves to double-check. It is about guiding the profession to know where to go.