This stately mansion is located at One Cornwall Terrace in London, England. It is accessed via a carriage driveway with two gated entrances and is situated on an half acre of land. It was originally designed and built in 1821-3 by renowned architect Decimus Burton, supervised by John Nash who created the master plan for the Regent’s Park. It has been masterfully restored and features approximately 21,500 square feet of living space with 11 reception rooms (including formal living and dining rooms), 7 bedrooms, 9 bathrooms, gourmet kitchen with beautiful vaulted skylight, self-contained apartment wit kitchen, massage room, gym, sauna, indoor swimming pool, catering kitchen, 2-car garage, landscaped grounds with formal gardens and more. The price is available upon request, but we figure it’s more than $80 million based on other London listings.