It’s strange how one can live in a part of London and still not know it.   This morning I walked from the library to the farmer’s market by way of the Clichy estate – a model of the post-war redevelopment of Stepney, still surviving intact.   I was thinking about Gavin Stamp’s late conversion to the welfare state as himself a product of the 1944 Education Act, educated at Dulwich College at the state’s expense (I am quoting Jonathan Meades), and the fact that post-war planners thought that they were constructing the New Jerusalem:-