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Steve Backshall lives in a new build house which is very energy efficient and almost totally off-grid. However, achieving this has been extremely time consuming, expensive and pretty stressful. For this episode of Costing the Earth, Steve explores why -- when the cost of heating our homes is so high and we鈥檙e being encouraged to reduce our carbon footprint -- it鈥檚 so difficult and pricey to make where we live more energy efficient and access renewable sources of power. Steve describes exactly what he鈥檚 done to his house including triple glazing, batteries for electric power and even a bore-hole for water. He then hears about a research facility at the University of Salford where two new builds and a Victorian end-terrace have been constructed in temperature controlled chambers. There they test the efficacy of various energy saving and renewable technologies on the kinds of homes that most of us live in. Back in studio, Steve speaks to the Energy Saving Trust about the cost for householders of putting some of these measures in place and what grants are available. He also hears from the Sustainable Energy Association, a trade membership body, about what they believe should be done to make all of this more accessible and affordable.

Producer: Karen Gregor