Elegant two-bedroom apartment in Mayfair

This fourth-floor corner apartment is accessed by a grandiose lobby, which is manned 24 hours a day by uniformed porters, and a passenger lift that serves the upper floors. Inside, the design is both well-suited to modern life and retains the original character of the building. For instance, residents will enter into the hallway, where the same black-and-white marble found in the lobby of Claridge’s Hotel runs underfoot.

The living space holds the corner position and is bathed in an abundance...