Guardian: It’s taken some time to realise that I don’t like to make things easy for myself – but I do like to make things right. A year ago we moved into a detached 1960s four-bedroom house in Brighton. Hardly the designer home one might expect for a man who enthuses about good sustainable design on TV, but it took a year and a half to find this ugly house on a nice streetand I really believe this 1960s-style house offers us a golden eco-friendly opportunity. On the plus side it’s something of …