This enormous 4,624 sqft first-floor lateral apartment, located on prestigious Hay Hill in Mayfair, offers up to six bedrooms and two or three reception rooms. The property requires modernization throughout, providing an opportunity for the new owner or developer to personalize the space and create a luxury residence that meets modern standards and tastes. With a large reception hall, two reception rooms, five bathrooms, a guest WC, and a kitchen, the apartment also features a porter, lift, and EPC rating of C. The leasehold has 140 years remaining, and the service charge is £24,800 per half year. This is one of the largest lateral apartments available in Mayfair, offering a unique opportunity to create a truly bespoke residence.