The choice of materials is steered by the evaluations ”recommended” and ”accepted” as per Varis Bokalder’s and Maria Block’s (The whole Building Handbook / Earthscan ,2010). Some building materials we have chosen are clay, stone, aerated clay bricks, straw and wood. For the roof finishes we have slate, ceramic, glass, Lark shingles. And as insulation materials we have used hemp, flax, reed grass, sheep wool, timber wool, glass foam and cellulose fibre.