Here is a great example of a green property townhouse. There are two semi-detached units on the same foundation.
This property used many off-the shelf and recycled products and worked within a strict budget.
Energy saving : large spans of glass which allows natural light in, passive solar design, double glazed windows used sparingly and strategically, a flexible folding-arm awning, wind and sun sensor, recycled concrete floor, R3.2 and R5.2 insulation and lots more. The property received above 6 stars energy rating.
Read more about this property:http://smh.domain.com.au/real-estate-news/award-winner-leans-sharply-to-green-20110715-1hgva.html
Green Real Estate Appraiser 