Modelling a Straw Bale house in Sketchup Part 1

As an energy assessor who wants to help pioneer the way towards sustainable building practices, it's exciting to have the opportunity to work on a house made of straw bales.
This is the first stage of modelling in sketchup. Although I've gone into more detail than is necessary for the energy assessment, I've been having some fun building this model to give the client an insight into what the finished build will look like.
Stay tuned for part 2!