The gardens of Mounton House near Chepstow in Monmouthshire are the masterwork of Henry Avray Tipping, into which he poured his vast inheritance. Yet they would have gone the way of so many Edwardian gardens had it not been for its new owners, who had the brilliant idea of asking the designer Arne Maynard to bring it back to life. Helena Gerrish tells the story; photographs by John Campbell.
When Henry Avray Tipping, the influential Country Life Architectural Editor…