Dr. Ciaran Byrne:

It is a matter of the building energy rating. The BER is the energy performance of the home. In some cases, or for some of the pilot projects, we have monitoring in place. With the HLI pilot that we mentioned, we will have monitoring equipment in place. For a typical warmer homes house, the pre-BER and post-BER analyses will show the energy performance at the level in question.

On the amount of income spent, that is very much a behaviour factor. Without actual monitoring in the home-----