It was during a night in June that two radiators exploded in Luca’s house, jetting scalding water across the bedroom of his six-year-old son and bringing down the ceilings of the ground-floor rooms. By a fluke the family was away.
“If my son had been in his bed he would have been severely burned,” says Luca. “The disaster was inevitable. In the 10 years since I bought the house, not once have the pipes and radiators been serviced, and similar things have recently happened in neighbouring properties.”
The London housing estate where Luca lives is supplied with heating and hot water by a district heating network (DHN) operated by Southwark council.
DHNs generate heating from a central source to a whole community via a network of insulated hot
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