There’s something so enticing about lavish houses that makes each one of us dream of living in one, right? It’s always fascinating to look at the biggest house in the world and get mesmerized by its charm and lavish amenities. The biggest building in the world isn’t only expansive in terms of its square feet or services but comfort as well. While a few people prefer living in small and compact homes, others wish to own the biggest house in the world.

Let’s go through a list of the 20 world’s biggest mansion that is sure to keep you amazed with their beautiful architecture and smart additions.

1. Istana Nurul Iman Palace, Brunei

Istana Nurul Iman Palace, Brunei

What is the biggest house in the world? The answer is Istana Nurul Iman Palace which is the official residential property of Hassanal Bolkiah, the Sultan of Brunei. This property is sprawled across an area of 2.15 million sq. ft.

The world’s largest house has 1788 rooms, 257 bathrooms, a banquet hall, swimming pools, horse stables, 110 car garage, and even a mosque. The large-scale mosques can nestle over 1500 people at a time.

It is the world’s biggest mansion which was named the Palace of Faith Light. The home was designed by Leandro V. Locsin in the year 198 and costs about $1.4 billion with its mesmerizing architecture.

2. Modern Versailles, Windermere, Florida

Modern Versailles, Windermere, Florida

Nestled in Orange County of Florida, this 90000 sq ft of property is owned by the CEO of Westgate Resorts– Jaqueline and David Siegal. The house accommodates an expansive master bedroom with 8000 sq. ft of area along with 15 other bedrooms, 30 bathrooms, 6 swimming pools, and 11 kitchens.

Such big houses have always become a center of attraction for several filmmakers and so is the case with this mansion. It has been featured in several documentaries like The Queen of Versailles and others.

3. Safra Mansion, Sao Paulo, Brazil

Safra Mansion, Sao Paulo, Brazil

Safra Mansion in Sao Paulo resembles the Villa Leopolda of France as it’s also one of the biggest houses in the world sprawled across an area of 117000 sq. ft. This expansive mansion houses 130 rooms along with indoor and outdoor swimming pools. The entire property is safeguarded by high walls on its side.

Safra residents keep their lives private due to which the interior layouts and function of spaces aren’t very clear for this big mansion.

4. The One– Bel Air, California

The One– Bel Air, California

The One–Bel Air in California is one of the biggest houses in the world sprawled across an area of 74000 sq. ft. The entire property is the imagination brought into reality by Nile Niami– a real estate developer and film producer. The big house will be amongst the costliest homes in America with a total price of $500 million.

From a lavish 5000 sq, ft master bedroom to an 8500 sq ft nightclub, this big mansion is much more than a simple home. It has all the amenities one could dream of living with. There are a total of 20 bedrooms and 30 bathrooms on the property along with a jellyfish room. This is the ultimate party home offering the best comfort of living.

5. Antilia, Mumbai, India

Antilia, Mumbai, India

Owned by Indian business tycoon Mukesh Ambani, Antilia is a private skyscraper with over 27 stories and 400000 sq. ft of area. It is the second biggest house in the world with a height of 550 feet.

One can witness one-of-its-kind architecture in the house where every floor is composed of a different material palette. The house is based on the principles of Vastu Shastra and each level of the house has its own defined purpose. From the spa to indoor pools, car park to a helipad, the big house has anything and everything that defines luxury living.

6. Pensmore, Highlandville, Missouri

 Pensmore, Highlandville, Missouri

One of the most bizarre houses in the world is Pensmore which is built to be resistant to literally anything and everything from a tiny bullet to a huge hurricane. This big mansion boosts the rich taste in architecture and talks about the strength of materials that goes into building a sturdy home.

The property was planned by Steven Huff, a former CIA officer, and an astrophysicist. While the construction of one of the biggest house in the world was initiated in 2008, the latest quality and strength isn’t as much as it was aimed to be owing to the flaws of the construction company.

7. Villa Leopolda, France

Villa Leopolda, France

Owned by several renowned personalities of the world, Villa Leopolda is one of the most expensive houses in France. The design was commissioned by King Leopold II which was then brought by Gianni and Marella Agnelli and then taken over by Edmond Safra and his wife. It is amongst the world’s biggest houses sprawled across an area of 18 acres.

The property opens up to magnificent views of the Mediterranean Sea. This property has also been featured in the movie To Catch a Thief. The large area of land accommodates 11 bedrooms along with 14 bathrooms. Apart from the basic residential features, this property also features a helipad, beautiful botanical gardens, and a commercial-scale greenhouse.

8. Fair Field, Sagaponack, NY, USA

Fair Field, Sagaponack, NY, USA

Fair Field is yet another biggest house in the world with a controversial past. The property was said to have built with company funds by Ira Rennert, a junk bond billionaire. The house nestles a 91 feet dining area, 29 bedrooms, 39 bathrooms, and three massive swimming pools.

Apart from the main house, the land also features pool houses and a play house. This big mansion features a hot tub with a total worth of $150000 and the land even owns a personal power plant.

9. Lynnewood Hall, USA

 Lynnewood Hall, USA

Speaking the language of Neo-Classical Revival Architecture, this property was built for Peter A.B. Widener, an industrial tycoon. He was an art enthusiast who comprises Lynnewood after a tragic incident in his life.

This property was considered one of the biggest haunted houses in the world so it was abandoned after a series of incidents happen. The original plan of the house featured an art gallery, a ballroom, and a stunning rose garden.

10. Biltmore Estate, Asheville, North Carolina

Biltmore Estate, Asheville, North Carolina

Nestling over an area of 178926 sq. ft., Biltmore Estate is one of the biggest mansions in the world and the largest residence in the United States. The lavish area of this property is surrounded by mesmerizing natural settings. Its architecture reflects and compliments the surrounding mountainous terrain of the site.

This property was open to the public in the year 1930 and offered accommodation along with food and wine. The big mansion has over 250 rooms along with 65 fireplaces, 43 bathrooms, a book library, and a bowling alley. This home is the ultimate dream house with the best amenities.

11. Witanhurst, London, England

Witanhurst, London, England

Witanhurst is the second biggest house in the world. Designed by George Hubbard, this big mansion is next to Buckingham Palace in terms of its luxury. This property is well equipped with all the modern amenities from a gym to a swimming pool with a sauna room

The property is owned by Andey Guryev, a Russian billionaire and 90000 sq. ft of land have a plethora of services like parking space, a movie theatre, and a massage parlour apart from the basic residential rooms.

12. Buckingham Palace, UK

Buckingham Palace, UK

Buckingham Palace is the biggest house in the world owned by the Queen. The mansion has a total of 775 rooms which makes it extremely spacious to accommodate guests. It is open for visits during summers when the public can access the 19 staterooms.

There are a total of 78 bathrooms in this big house and a subway system that links the property to the House of Parliament and Clarence House.

13. The Manor, Mapleton Drive, Los Angeles, United States

The Manor, Mapleton Drive, Los Angeles, United States

This house was popularly known as Spelling Mano which was formerly owned by a famous TV producer Aaron Spelling Petra Ecclestone later bought the property. The scale of the big mansion exceeds 21 times the size of an average-sized American Home.

The Manor is even larger than the White House and is situated next to the Playboy Mansion. The large scale of the house features a barber shop, beauty salon, twin butterfly staircase, and a two-lane bowling alley.

14. The Playboy Mansion, Los Angeles

Playboy Mansion, Los Angeles

The Playboy Mansion is the home of Hugh Hefner, the founder of Playboy magazine. This luxury house features 6 bedrooms, 6 bathrooms, and a four-bedroom guesthouse on the property. Apart from these, there’s a tennis court and swimming pool nestling on the land.

15. The Hidden Hills, California

Hidden Hills california

Kim Kardashian and Kanye West owned the property known as The Hidden Hills, which they worked on to transform into a futuristic Belgian monastery. The all-white architecture of the house hints at the love for minimalism and lets the art collection inside the house shine through.

16. Xanadu 2.0, Medina, Washington, USA

Xanadu 2.0, Medina, Washington, USA

The luxury home of Bill Gates and Melinda Gates, Xanadu 2.0 is located on the shore of Lake Washington. The architecture of the house follows a simple language and the property accommodates 7 bedrooms and 24 bathrooms.

The property features smart equipment that regulates the lighting and heat inside the home. This house has an expansive library with two secret bookcases one of which takes you to a hidden bar in the house.

17. Illinois Estate, Highland Park, Illinois

Illinois Estate, Highland Park, Illinois

Michael Jordan a basketball star owns this expensive house. The big mansion features a basketball gym, 14 car garage, and over 50000 sq. ft of living area on the property. An admirably simple design on the exteriors can take you to the ultimate world of eclecticism with its interior design.

18. The Penthouse at Getty Residences, New York City

The Penthouse at Getty Residences, New York City

The Penthouse is Designed by Peter Marino sprawled across an area of 10000 sq. ft. The home exudes luxury in terms of its design and comfort and is owned by Robert F. Smith, a billionaire investor.

19. Palazzo di Amore, Beverly Hills

Palazzo di Amore, Beverly Hills

One of the luxury houses across the globe owned by Jeffrey Greeme, Palazzo di Amore is a Mediterranean-style home offering stunning views of Los Angeles and its neighboring canyon.

Apart from the rich architecture of the house, the site also features well-manicured gardens, a hillside vineyard, and a waterfall.

20. La Reverie, Palm Beach, Florida

La Reverie, Palm Beach, Florida

La Reverie spread over an area of 84626 sq. ft is the biggest house in the world owned by a celebrity. The property was built in Palm Beach Florida and is 7th on the list of the top 10 biggest mansions in the world. The space has been made to serve several functions apart from simply offering luxury living to the owners.

The property is well-equipped to host concerts or charity events. This big mansion was built by the owner of the hair product brand– Matrix Essentials– Sydell Miller. The location in itself is a luxury to reside in.

The White House
The Arden House
Oheka Castle
Biltmore Estate
10697 Somma Way, Los Angeles
Holmby Hills Estate
Palatial Mansion Golden Mile Marbella
Frazier & Deeter Cabin Villa
Marc Anthony Coral Gables Mansion

Big Houses and Rich Architecture

The Club at Bella Collina


The best part of the biggest house in the world is that they are rich in terms of their planning, design, and architectural language. These smart homes feature the latest technological approach with their appliances and strategic planning to segregate the different zones of the house. With a world full of hustling activities, there’s nothing like coming back to a big mansion and snoozing down in comfort.

In case you missed it!