Postgreen Homes is "a real estate development firm specializing in modern, green and affordable buildings in Philadelphia’s urban neighborhoods."
According to their site:
Their first project was a loft townhouse built with SIPs.
model: 100k House
developer: Postgreen Homes
designer: Interface Studio Architects LLC
builder: Manor Hill Contracting
size: 1,150 sf
From the 100k House Project Summary page:
Interesting to note: The 2 unit building (includes the 100k House and the 120k House) has a projected sales price of $200,000 - $250,000.
Worth a look: