After years of neglect and countless demolitions, 1974 witnessed a revolution in attitudes towards country houses. It proved a turning point in Britain’s treatment of its old buildings generally and the saviour of places such as Covent Garden, as Simon Jenkins explains.

Devonshire House on Piccadilly in the heart of London was demolished a century ago, in 1924, and half a century before the V&A exhibition that helped save many similar buildings. Photo: AJ Pound via Alamy.
After years of neglect and countless demolitions, 1974 witnessed a revolution in attitudes towards country houses. It proved a turning point in Britain’s treatment of its old buildings generally and the saviour of places such as Covent Garden, as Simon Jenkins explains.