"Actually, you could make it for less than that," James says. "I'd cut the wood myself next time instead of going to the sawmill. That would knock off a thousand." He finds the whole concept of mortgages quite amusing.
The walls are made of straw bales, and the roof is turf with flowers growing on it. It has a rainwater collection system, a composting toilet, and a woodburning stove. With the help of friends, he built it in about ten months. Now he’s helping other people learn about alternative building methods. Link to story. Link to James’ website. -via Metafilter