We take our wellbeing seriously these days. We track our sleep, we watch what we eat, we make time to move our bodies and quiet our minds. And yet there's one factor shaping how we feel, almost every hour of almost every day, that most of us have never actually examined: our home.

You buy organic food, wash your clothes in eco detergent and choose cotton or linen clothing but how much thought do you give to the materials used in your home? Do you spend time considering the materials in the fabric of your building, the chemicals in your sofa and fabrics or the VOCs in your paint?