Top 10 largest and expensive houses of the world.

Located in Brunei, this is the largest residential palace in the world at about 2.15 million square feet and serves as the official residence of the Sultan of Brunei.

The London residence of the British monarch spans roughly 828,000 square feet, making it one of the largest and most valuable residences globally.

Owned by Mukesh Ambani in Mumbai, this 27-story private residence is often cited as the world’s most expensive home, valued at over $1 billion.

America’s largest privately owned home, this 175,000-square-foot mansion in North Carolina was built by George Vanderbilt and remains a landmark of Gilded Age luxury.

Situated in London’s Highgate, this grand estate is the largest private residence in the UK after Buckingham Palace and has been valued at hundreds of millions of dollars.

Located on the French Riviera, this historic estate is famed for its vast grounds and extraordinary valuation, often estimated in the hundreds of millions.

Also known as Villa Leopolda’s Monaco rival, this lavish Monaco property owned by the Safra family is among the most expensive homes in the world.

This Bel-Air megamansion in Los Angeles spans over 100,000 square feet and made headlines for its record-breaking $141 million auction sale.

Bill Gates’ tech-forward mansion in Medina, Washington, covers about 66,000 square feet and is valued at well over $100 million.

Owned by Ira Rennert in the Hamptons, this enormous private home spans approximately 110,000 square feet and is one of the largest residences in the United States.