Not restrained, however, is the central hall staircase. Replacing the fusty oak version is…

Not restrained, however, is the central hall staircase. Replacing the fusty oak version is a swooping plaster-surfaced elliptical one, a Harris signature. “It reminds me of something unraveling,” he says, also noting the influence of the Le Corbusier stair in Charles de Beistegui’s Paris apartment. But here, a new window at the landing looks out to New England foliage.