Cosy isn't it?" says Amanda James. We are in the kitchen of a modest terraced house in Sheffield, in the north of England, and James is part of a city council team overseeing the regeneration of this down-at-heel neighbourhood. Apart from looking a little smarter than the other houses on the street, there is not much to distinguish it from its neighbours. The difference will only start to show when the heating bills come in: though gas and electricity prices have soared, this is one property that will still be cheap to keep warm.
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