Hedgehog Co-op
Hedgehog Self Build Co-op, Hogs Edge, Brighton
august 2009

Started in the late 1990s this development of ten timber frame houses is based on the Walter Segal method of construction. They incorporate high levels of Warmcell insulation and benefit from south facing solar gain. The roofs are of Sedum.

It may be worth keeping an eye on Eco Open Houses in case any of them are available to visit. There is a useful writeup on one of the houses
Architect: Robin Hillier of Architype
See also Forever Green,
and here