Telegraph: The ‘pay as you save’ scheme will allow people to book a free consultation with an ‘energy doctor’ at the local supermarket to assess where heat is leaking from a home, like a drafty loft or badly insulated boiler. After the ‘energy audit’ a package will be drawn up for the household that recommends the measures that need to be taken up to a cost of £10,000. But rather than having to incur debt, householders will only have to pay off the debt when they make savings on their …