Excalibur's castles built from postwar dreams must not be demolished | Simon Jenkins

The Excalibur prefab estate in south London may be scruffy, but it's a precious chapter in the nation's story worth preserving

As history, south London's Catford lacks pzazz. It has none of the raw brutalism of its neighbour, Lewisham, or the old world charm of Peckham. Sandwiched between Hither Green cemetery and the Ravensbourne ditch, it is one long aesthetic groan. But it nurtures in its bosom the largest surviving 1940s prefab estate in Britain, admirably named Excalibur. Lewisham...