You may find very useful video clip and programmes on:
.
Have you checked out the series Grand Designs? These videos can be accessed through ClickView and eTV. (Remember you will need to log in to access the videos, then use the search bar to find the programmes).
Here are some examples (but there are many more).
Grand Designs - Glass Cube house
Grand Designs - Conversion of old water tower
Grand Designs - Conversion of Grade II listed timber barn.
Grand designs New Zealand - large country home
Grand Designs - German Huf House
Grand Designs NZ - Pod House