"We have found that for a few thousand pound and a few months work it is possible to create simple shelters that are in harmony with the natural landscape, ecologically sound and are a pleasure to live in.  There is something powerfully alluring in such natural buildings.  Their simplicity and cost makes them accessible; their beauty and use of natural materials remind us of our ancestral right and ability to live well as part of the landscape/nature/earth. "

That's cool! Plus it looks like something out of Lord of the Rings.

They have done a huge variety of houses, here are just a few pictures: