The 10 Biggest Houses in the World

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What are the biggest houses in the world? 

They say that buying a house is the single biggest purchase of your life, right? 

Well, that’s true for the majority of people, but not for everyone.

The folks on this list, not only own the biggest houses in the world but also keep multiple homes around the globe! 

So, let’s take a look at these mega-mansions, and who owns them.

Here’s a list of the 10 biggest houses in the world.


The 10 Biggest Houses In The World

The list of houses and figures mentioned below has been compiled from various sources around the web, such as Digital TrendsWikipedia

These are the 10 biggest houses in the world:


10. Fair Field, Sagaponack, New York, USA

Biggest Houses in the World - Fair Field, Sagaponack, New York, USA

Area: 64,000 Square Feet

Fair Field is a 64,000 sq ft private house, located in the Hamptons, in the state of New York. 

It was built in 2003 and is owned by American Billionaire businessman, Ira Rennert. 

The mansion is reportedly worth a whopping $249 million and is one of the biggest houses in the United States. 

The home is reported to have 29 bedrooms and 39 bathrooms, 2 bowling alleys, multiple squash courts, a 164-seat theater room, and an indoor basketball court. 

Not too shabby for $249 million, wouldn’t you say?!


9. Pensmore, Highlandville, Missouri, USA

Biggest Houses in the World - Pensmore, Highland, Missouri, USA

Area: 72,215 Square Feet 

Another one of the biggest houses in the world and the United States is Pensmore. 

It’s located in the Ozark Mountains, close to Highlandville, Missouri, and has a 72,215 sq ft footprint. 

The house was constructed in 2008, by American millionaire and astrophysicist Steven Huff, to be able to withstand earthquakes, tornadoes, and bomb blasts. 

It’s believed that the home reaches approximately five stories high, and contains 13 bedrooms, 14 baths, and 12-inch thick exterior walls. 

Huff decided to build Pensmore so he could explore how different climates would affect the concepts of the house on a commercial scale and showcase sustainable construction techniques.


8. Taohuayuan, Suzhou, China

Biggest Houses in the World - Taohuayuan, Suzhou, China

Area: 72,400 Square Feet

Located in Suzhou, China, this 72,400 sq ft luxury home was built on a private island, over three years, by the property development company, Sunac China. 

The house is situated on the south shore of Suzhou’s Dushu Lake and is believed to have 32 bathrooms and bedrooms, a wine cellar, lavish gardens, and an ornamental pond. 

The surrounding gardens and landscaping were modeled on Suzhou’s Classical Gardens, a UNESCO World Heritage Site. 

In 2016, the house was put up for sale for $154 million, making it China’s most expensive home


7. The One, Bel Air, California, USA

Biggest Houses in the World - The One, Bel-Air, California, USA

Area: 74,000 Square Feet

‘The One,’ built by film producer and real estate developer Nile Niami, is the seventh biggest house in the world. 

It was built in 2013 and is located in Bel Air, California, in one of the most prestigious neighborhoods in the country.

For $500 million, the house comes with 20 bedrooms and 30 bathrooms, a bowling alley, an IMAX style theater room, four swimming pools, a wine room, and an 8,500 sq ft night club, as well as many other extravagant features.

The giga-mansion is believed to be one of the most expensive homes in the United States and even has walls made out of jellyfish tanks. 


6. Villa Leopolda, French Riviera, France

Biggest Houses in the World - Villa Leopolda, French Riviera, France

Area: 80,000 Square Feet

Villa Leopolda was built between 1929 and 1931 and was owned by Brazilian billionaire Lily Safra until she sold it to a Russian Oligarch in 2008. 

Situated in the French Riviera, the mansion was formerly owned by King Leopold II of Belgium, who later bestowed it upon his mistress as a gift.

The 50-acre estate boasts 19 bedrooms, 14 bathrooms, a commercial greenhouse, a private theatre, 12 swimming pools, an outdoor kitchen, and a helipad. 

The property was used as a military hospital during World War 1 and has been featured in several films, including To Catch a Thief The Red Shoes. 

Villa Leopolda is believed to be one of the most expensive houses in Europe, valued in 2008 at $750 million. 


5. Versailles, Windermere, Florida, USA

Biggest Houses in the World - Versailles, Windermere, Florida, USA

Area: 90,000 Square Feet

This 14 bedroom, 32 bathroom mega-mansion, is the home of Jacqueline and David Siegel, the CEO of Westgate Resorts.  

The house was inspired by the Palace of Versailles and began construction in 2004. 

However, due to some legal issues, building work was put on hold for several years and wasn’t completed until 2019. 

It’s now thought to be the largest single-family home in the United States.

Versailles was featured in several documentaries over the years, the most famous being the 2012 documentary, The Queen of Versailles.

Some of the mansion’s other features include an arcade, a gym, a salon, a two-story movie theatre, 11 kitchens, 6 swimming pools, an exotic-fish aquarium, an elevator, and a garage big enough for 30 cars. Now that’s what I’m talking about!


4. Witanhurst, London, UK

Biggest Houses in the World - Witanhurst, London, UK

Area: 90,000 Square Feet

The third biggest house in the world is the Grade II listed Georgian Revival mansion, Witanhurst.

Second, only to Buckingham Palace, Wintanhurst is the second-largest residential estate in London, England, and has been owned by several high-profile individuals throughout its lifetime. 

The mega-mansion was built between 1913 and 1920 and was designed by architect George Hubbard.

The property became dilapidated after years of neglect and was brought back to life in 2008 after substantial renovations by the family of, a Russian businessman, Andrey Guryev.

It’s reported that Mr. Guryev paid somewhere in the region of $65 million for the estate in 2008. 

Witanhurst is thought to have 65 rooms in total, including 25 bedrooms, a dining room, a billiards room, a massage parlor, a gym and sauna, and a movie theatre. 

All in all, Witanhurst’s estate totals a whopping 90,000 square feet! 


3. Safra Mansion, Sao Paulo, Brazil

Biggest Houses in the World - Safra Mansion, Sao Paulo, Brazil

Area: 117,000 Square Feet

Safra Mansion is the largest private residence in Sao Paulo and home to private banking family, the Safras. 

It’s located in the Morumbi neighborhood of Sao Paulo and is often said to resemble Villa Leopolda from the French Riveria. 

Not much is known about the details of the property; however, the 117,000 sq ft estate is believed to have 130 rooms, indoor and outdoor swimming pools, and is surrounded by a massive wall. 

The Safra’s are known to be very private and like to keep to themselves, which is thought to be the main reason why they moved to Brazil from the United States. 

Safra Mansions’ actual value is unknown, but it’s more than likely somewhere in the hundreds of millions of dollars. 


2. Biltmore Estate, Asheville, North Carolina, USA

Biggest Houses in the World - Biltmore Estate, Asheville, North Carolina, USA

Area: 178,926 Square Feet

The Biltmore Estate in Asheville, North Carolina, is thought to be the most significant private residence in the United States. 

The chateau-inspired mansion was built in 1895 by George Vanderbilt, the grandson of Cornelius Vanderbilt, a successful shipping and railroad magnate.

The main house on the estate has 250 rooms, including 43 bathrooms, 65 fireplaces, an indoor swimming pool, and a 23,000 book library. 

In 1930, the house was opened to the public, offering the chance to stay in America’s largest private residence for as long as you could afford. 

However, guests are permitted to stay in the on-site hotel or cottages, not the main house. 

The 178,926 sq ft mega-mansion is open to the public for tours and accommodation.


1. Antilia, Mumbai, India

Biggest Houses in the World - Antilia Tower, Mumbai, India

Area: 400,000 Square Feet

Mukesh Ambani, the richest man in India in 2018, calls this 27 story giga-mansion, home.  

The oil and gas tycoon completed the $2 billion house in 2010, working with two different architecture firms to get the job done.

The 400,000 sq ft, 500 ft high skyscraper took approximately four years to build and was based entirely on Vaastu, a traditional Indian system of architecture. 

Sticking to Vaastu guidelines, no two floors are the same, in terms of floor plan and materials, and the top stories offer panoramic views of the Arabian Sea. 

Inside Antilia, there are six floors of car parking space to accommodate 168 cars, several spa’s and gym’s, indoor swimming pools, a theatre, guest apartments, a yoga center and dance studio, and helipads on the roof for three helicopters. 

Antilia requires a staff of 600 people working around the clock to make sure the biggest house in the world is kept in pristine condition. 



We hope you enjoyed our list of the 10 biggest houses in the world. 

Insane, right? It still blows our minds to think that one family can live in a 250 room house.

I mean, how much time can you spend in each room?!

Still, why not if you have the means to do it! 

Here’s a quick recap of the 10 biggest houses in the world :

  1. Antilia, Mumbai, India
  2. Biltmore Estate, Asheville, North Carolina, USA
  3. Safra Mansion, Sao Paulo, Brazil
  4. Witanhurst, London, UK
  5. Versailles, Windermere, Florida, USA
  6. Villa Leopolda, French Riviera, France
  7. The One, Bel-Air, California, USA
  8. Taohuayuan, Suzhou, China
  9. Pensmore, Highland, Missouri, USA
  10. Fair Field, Sagaponack, New York, USA

What’s your favorite house? Leave a comment below.

Matt McIntyre
Matt McIntyre
Matt McIntyre is a digital marketing consultant and certified marketing strategist. When he's not talking about business or marketing, you'll find him in the gym.


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