People throughout the world have long been fascinated by opulent homes. From sprawling mansions to opulent palaces, these architectural marvels stand as a testament to the grandeur and wealth of their owners. This article will examine the top ten biggest homes in the world, where richness knows no limits and square footage soars to previously unheard-of proportions.
1. Istana Nurul Iman Palace, Brunei
Area: 2,152,782 square feet
Estimated Value: $1.5 billion
Istana Nurul Iman, the world’s largest residential palace, serves as the official residence for the Sultan of Brunei, his family, and esteemed guests. Leandro Locsin, a Filipino architect, combined Islamic and Malay architectural elements to create a great and opulent style for the palace. With an incredible 1,788 rooms, this opulent home offers air-conditioned stables for the 200 polo ponies owned by the sultan, a mosque that can accommodate up to 5,000 guests and an expansive 110-car garage. Retaining its position as the largest mansion in the world as of 2024, Istana Nurul Iman is a symbol of wealth and architectural magnificence.
Key Facts About the Istana Nurul Iman Palace:
- Construction Cost: Completed in 1984 at approximately $1.4 billion.
- Grand Banquet Hall: Can host up to 5,000 guests.
- Religious Significance: A mosque within the palace can accommodate up to 1,500 worshippers.
- Luxurious Amenities: Includes a 110-car garage and air-conditioned stables.
- Lush Surroundings: Features expansive gardens, a botanical garden, a 200-foot swimming pool, and a helipad.
- Advanced Security: Equipped with state-of-the-art security systems.
- Official Functions Only: Primarily used for official functions and ceremonies.
- Symbol of Wealth and Power: Represents Sultan Bolkiah’s immense wealth and political power.
2. Buckingham Palace, London, UK
Area: 828,820 square feet
Estimated Value: $3.2 billion
Buckingham Palace is an iconic symbol of royalty globally and stands as one of the grandest and largest residences. Originally built in 1837 as the royal palace for the monarchs of the United Kingdom in London, this Neoclassical masterpiece is currently Queen Elizabeth’s main administrative center. With an impressive total of 775 rooms, including renowned spaces like the opulent gilded white drawing room and the majestic throne room, the palace embodies regal splendor and historical significance.
3. Antilia, Mumbai, India
Area: 400,000 square feet
Estimated Value: $1-$2 billion
Standing dramatically over the Mumbai skyline, Antilia is one of the most expensive and ostentatious homes on the planet. Business magnate Mukesh Ambani is the owner of this 27-story mansion, which is estimated to be worth between $1 and $2 billion. Designed by Chicago-based architects Perkins and Will, each floor is structured to have the same height as a two-story building, incorporating elements to survive strong earthquakes. Antilia has opulent features like a huge 50-seat movie theater, a gigantic mega-temple, and a special ice cream shop. Being the third-biggest mansion in the world, it represents luxury and avant-garde architectural style.
4. Biltmore Estate, Asheville, North Carolina, USA
Area: 178,926 square feet
Businessman George Vanderbilt, who wanted to build his self-sustaining residence in Asheville, North Carolina, was the inspiration behind America’s largest house. He enlisted the help of two of the nation’s top designers and landscape architects, Richard Morris Hunt (who created the house’s architecture) and Frederick Law Olmsted (who created the grounds and gardens) in 1889 to realize his vision. A national icon, the 250-room French Renaissance château first welcomed family and guests for Christmas in 1895.
Also Read: New Top 10 Most Expensive & Costly Houses in World 2024-25
5. Safra Mansion, São Paulo, Brazil
Area: 117,000 square feet
Hidden in a richly forested area of São Paulo sits the iconic mansion of the late Brazilian socialite Lily Safra. There are an estimated 130 rooms in the opulent 117,000-square-foot mansion, in addition to a lavish outdoor living space. However, because the Safra family has led a secluded private existence, not much is known about the interior design of the house.
6. Oheka Castle, Long Island, New York, USA
Area: 109,000 square feet
The famous castle in the French style, situated on the highest point of Long Island, was constructed in 1919 by investor and philanthropist Otto Hermann Kahn, making it the second biggest private property in the United States. He hosted dignitaries and heads of state among his famous international visitors in the 127-room summer residence, Hollywood elites included. Following his passing, the estate served as a retirement community, a military academy, and more before being renovated and transformed into a renowned hotel and event venue.
7. The One, Bel Air, California, USA
Area: 105,000 square feet
Overlooking the city of Los Angeles, The One is the largest modern house in America, measuring roughly 105,000 square feet. The Bel Air mega-mansion houses not only 21 bedrooms but also a gym and juice bar, a hair salon, two turntables, a four-lane bowling alley, and a movie theater. There’s even a 10,000-bottle wine cellar and a neighboring cigar lounge for those wanting to indulge.
8. Witanhurst, London, England
Area: 90,000 square feet
Buckingham Palace may be London’s biggest royal residence, but Witanhurst doesn’t come too far behind. Whitehurst, a magnificent example of Queen Anne-style architecture was constructed in the Highgate district between 1913 and 1920. It features a large ballroom, a glass rotunda, and 25 bedrooms.
 It was previously a gathering spot for notable people, including Queen Elizabeth, but it was abandoned until 2008 when a Russian billionaire purchased it. and immediately put under renovation.
9. Versailles, Windermere, Florida, USA
Area: 85,000 square feet
Versailles, a private residence in Windermere, Florida, is a modern interpretation of the French palace of the same name. Still under construction, it will boast 32 bathrooms, 15 bedrooms, and various luxurious amenities, including a theater, an indoor ice rink, and a 30-car garage. Owned by timeshare mogul David Siegel, Versailles is set to become one of the most extravagant private homes in the United States.
10. Pensmore, Highlandville, Missouri, USA
Area: 72,215 square feet
Pensmore is a colossal private home located in the Ozark Mountains of Highlandville, Missouri. Designed to be disaster-resistant and highly energy-efficient, the mansion combines the latest in green technology with a fortified structure. The residence includes 13 bedrooms, 14 bathrooms, and numerous advanced security features, making it one of the most secure homes in the world.
These grand houses not only showcase architectural brilliance but also reflect the immense wealth and status of their owners. Each of these residences, from palaces to private homes, stands as a testament to human creativity, luxury, and the desire for opulent living.
 From sprawling mansions to opulent palaces, these architectural marvels stand as a testament to the grandeur and wealth of their owners. This article will examine the top ten biggest homes in the world, where richness knows no limits and square footage soars to previously unheard-of proportions.
Frequently Asked Questions (FAQ’s)
Ans: The Istana Nurul Iman Palace in Brunei is the largest house in the world, with an area of 2,152,782 square feet.
Ans: The estimated value of Buckingham Palace is $3.2 billion.
Ans: The Biltmore Estate in Asheville, North Carolina, is the largest house in the United States, covering 178,926 square feet.
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