Mayfair: trophy penthouse on Grosvenor Square

On the top two floors of a celebrated 1930s mansion block on the west side of Grosvenor Square, this trophy penthouse offers 470 m² of internal space, 110 m² of wrap-around terraces and an unbroken view across the gardens of Grosvenor Square to the rooflines of Berkeley Square and Hyde Park beyond.

The penthouse was acquired by the current owner in 2019 and re-imagined by a leading London designer with a brief that delivered a discreet, museum-grade interior across four reception spaces, a state kitchen and five bedroom suites.

The ground level of the penthouse opens through a private lift onto a 28 m² entrance gallery, with library, formal drawing room of 60 m² and a separate dining room. The kitchen, by an Italian boutique maker, is finished in matt lacquer and book-matched Calacatta marble; the breakfast room opens through retractable glazing onto the south terrace.

The upper level accommodates the principal bedroom suite (a dedicated 90 m² wing comprising a private sitting room, double dressing rooms and a marble bathroom with private terrace), plus four further bedroom suites.

The building offers 24-hour concierge, valet parking and a residents-only restaurant on the ground floor. A defining piece of inventory for the international buyer who values a primary trophy address.