An £11.5m Mayfair duplex has become as the first ultra-prime property to be sold this year.
The 3,270 sq ft, three-bedroom duplex on Charles Street, W1, was sold by Beauchamp Estates
An £11.5m Mayfair duplex has become as the first ultra-prime property to be sold this year.
The 3,270 sq ft, three-bedroom duplex on Charles Street, W1, was sold by Beauchamp Estates