A Grand Apartment on Cadogan Place

On the raised ground floor, light pours through tall sash windows into a formal dining room overlooking the square. Beyond, a vast bay-fronted reception room opens through French doors onto a private terrace, a clever connection between refined interiors and outdoor space. Period details, intricate cornicing, marble fireplaces, and generous ceiling heights, lend the rooms an air of timeless sophistication.

The lower ground floor centres on a superbly proportioned kitchen and breakfast room, des...