We did some more work on the extension in the wet and cold over the weekend. The main WikiHouse structure is now done and the roof is finished and felted, just need to finish the cladding on the front and install a nice set of doors. Should be watertight before the really cold weather kicks in.
Although the build is taking longer than we had hoped, still need to remember that the house has been transformed from this:
To this in just 16 days of actual onsite work.