This luxurious penthouse apartment in Mayfair's esteemed residential district boasts elegant Georgian architecture and a sense of exclusivity. Spanning over 1800 square feet with potential to increase to 2500 square feet, the property features a grand reception room with four south-facing sash windows and panoramic views. The apartment's third floor includes a family-sized kitchen, dining space, and a cloakroom, while the upper storey offers a master suite, two additional bedrooms, and two en-suite bathrooms. A naturally lit loft space provides the opportunity for further development. With a rich heritage and a chance to blend classic exterior with modern amenities, this remarkable duplex penthouse is an exciting canvas for the most discerning clientele. The property comes with an extended lease of 109 years and the option to buy a share of the freehold.