OPINION - As the Grenfell report is published, why is cladding still on countless English homes?

As Britain absorbs the second phase of the report into the Grenfell Tower inferno, with its accumulation of horrors, an event last week serves as warning and a rebuke to the pace with which we have got here. Is it really possible, seven years after that disaster, that the cause of another London tower-block fire could be traced — once again — to flammable external cladding?