Biggest Houses in the World: List of Top 10 Largest Houses in the World

Biggest Houses in the Word: Residential houses have taken the engineering feat to the next level. In a world where technology and creativity touches the sky, the desire for magnificent homes has led to the establishment of some truly outstanding houses.

From expansive and expensive estates to lavish mansions, the following list unveils the top 10 biggest houses in the world, each a tribute to architectural expertise, prosperity, and affluent living.

World’s Largest Houses – Rank, Name, Owner & Size

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1. Istana Nurul Iman – Brunei

Topping the list of the world’s largest residential palace, the gold-domed Istana Nurul Iman takes the lead. It is the residence of the Sultan of Brunei and located near the Brunei River.

Depicting Islamic heritage and design, this residence spreads over 2.15 million square feet, featuring 1,788 rooms, 257 bathrooms, and a hall that can accommodate up to 5,000 guests.

• Size: 15 million square feet
• Value: estimated at $3.9 billion
• Built: 1984
• Architect: Leonardo V. Locsin
• Owner: The Sultan of Brunei

2. Antilia – Mumbai, India

Rising close to 40-story building, Antilia is the private residence of billionaire Mukesh Ambani. It is one of the iconic buildings in Mumbai and covers approximately 400,000 square feet, making it one of the biggest houses in the world.

Keeping in the sophistication and design of Vaastu Shastra, the lavish house includes six floors of parking, a helipad, a ballroom, and multiple lounges, making it a symbol of modern extravagance.

• Location: Mumbai, India
• Size: 400,000 square feet
• Value: roughly $2 billion
• Built: 2010
• Architect: Perkins and Will
• Owner: Mukesh Ambani

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3. Biltmore Estate – Asheville, United States

Situated in Asheville in North Carolina, the Biltmore Estate is America’s largest privately-owned home in the world. Spanning 178,926 square feet, it is built by George Washington Vanderbilt II.

Inspired by the chateaux of the Loire Valley in France, the Biltmore features 250 rooms, including a banquet hall, a winter garden, and an extensive library, showcasing the Gilded Age’s elegance and sophistication.

• Location: Asheville, North Carolina, United States
• Size: 175,000 square feet
• Value: $157 million
• Built: 1889
• Architect: Richard Morris Hunt
• Owner: The Biltmore Company

4. The White House – Washington DC, United States

Renowned as one of the recognizable royal residences in the world, the White House is an iconic symbol of political power and prestige. The official residence and workplace of the President of the United States cover approximately 55,000 square feet. It has 132 rooms, 35 bathrooms, and 6 levels.

The structure highlights a neoclassical style and since ages the White House stands as a witness to American history.

• Location: Pennsylvania Avenue NW, Washington, DC
• Size: 55,000 square feet
• Value: $119.5 million
• Built: 1792
• Architect: James Hoban
• Current Owner: Federal Government of the United States

5. The Manor – Los Angeles, United States

Located in Los Angeles, California, The Manor is one of the biggest mansion in the world built by entertainment tycoon Aaron Spelling. Covering 56,500 square feet, the mansion boasts 123 rooms, including a bowling alley, beauty salon, and a room dedicated solely to gift wrapping.

The French chateau-inspired architecture and meticulously landscaped gardens contribute to its grandeur.

• Location: Mapleton Drive, Los Angeles, United States
• Size: 56,500 square feet
• Value: $119.5 million
• Built: 1988
• Architect: James Langenheim & Associates
• Owner: Unknown

6. Updown Court, England

Nestled in the Surrey countryside, Updown Court is a palatial mansion covering 50,000 square feet. This modern estate features 103 rooms, five swimming pools, a squash court, and a heated marble driveway.

Illustrious as one of the biggest houses in the world, the design incorporates influences from both English and French architectural styles, offering a luxurious and serene retreat for its occupants.

• Location: Windlesham, Surrey, England
• Size: 58 acres (230,000 m2)
• Value: $195 million
• Built: 1998
• Architect: Queen Anne style architecture
• Owner: Major General Sir Philip Ward

7. Versailles, Florida, United States

Inspired by the Palace of Versailles in France, this Florida mansion is an extravagant homage to classical architecture. Covering 85,000 square feet, Versailles features 11 kitchens, a roller rink, and a 6,000-square-foot wine cellar.

Listed as one of the top 10 biggest houses in the world that draws visitors from all over the USA, the mansion was completed and stands as a symbol of resiliency and excess.

• Location: Lake Butler Sound, Windermere, Florida, USA
• Size: 85,000 square feet
• Value: $100 million
• Built: expected to be completed in 2022
• Owners: Jacqueline and David Siegel

8. Oheka Castle – New York, United States

Situated on Long Island, New York, Oheka Castle is a majestic estate spanning 109,000 square feet. Constructed in the style of a French chateau, this castle features 127 rooms, a grand ballroom, and stunning gardens.

Originally built as the country home for financier Otto Kahn, Oheka Castle has hosted illustrious guests and events throughout its storied history, creating name as one of the top 10 largest houses in the world.

• Location: Long Island, New York, Oheka Castle
• Size: 109,000 square feet
• Value: around $750 million
• Built: 1915
• Architect: Ogden Codman Jr.
• Owner: Gary Melius

9. Villa Leopolda, France

Nestled on the French Riviera, Villa Leopolda is a sprawling estate covering 50 acres with a mansion of approximately 90,000 square feet, listing is as one of the biggest and beautiful house in the world. Originally built for King Leopold II of Belgium, this Mediterranean-style villa boasts stunning views of the coastline, lush gardens, and a helipad.

With a history dating back to the early 20th century, Villa Leopolda represents timeless elegance and luxury.

• Location: Villefranche-sur-Mer, France
• Size: 29,000 square feet
• Value: around $750 million
• Built: 1902
• Architect: Ogden Codman Jr.
• Owner: Lily Safra

10. The Pensmore Mansion, United States

Hidden in the Ozark Mountains of Missouri, the Pensmore Mansion is a modern architectural marvel with a stunning 72,215 square feet. Designed to face natural disasters, this palatial edifice is built with concrete and steel.

With a focus on sustainability and cutting-edge technology, the Pensmore Mansion combines grandeur with resilience.

• Location: Ozark Mountains, Missouri, United States
• Size: 71,215 square feet
• Value: $173 million
• Built: 2008
• Architect: Steven Huff
• Owner: Steven Huff

These ten houses stand as monuments to human achievement, showcasing the pinnacle of architectural design, wealth, and luxury. From the historical opulence of Biltmore Estate to the modern marvel of Antilia, the world’s largest houses reflects the tastes and aspirations of its creators.

As we marvel at these structures, we are reminded of the diverse ways in which people express their affluence and leave an indelible mark on the landscape of extravagant living.

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