The Ultimate Guide to the Biggest House in the World: Explore the Grandeur and Luxury of this Architectural Marvel

The biggest house in the world is a marvel of architectural design and engineering, boasting an impressive size and grandeur that is unmatched by any other residential property on the planet.

Current Title Holder for the Biggest House in the World

The current title holder for the biggest house in the world is Antilia, located in Mumbai, India. The house is owned by Mukesh Ambani, an Indian business magnate and billionaire who is also the chairman of Reliance Industries.

Features of Antilia

Antilia is a 27-story building that stands at 568 feet tall and covers an area of 400,000 square feet. It has six underground parking floors, three helicopter pads on its roof, and requires a staff of over 600 people to maintain it. The house was designed by Chicago-based architects Perkins and Will and constructed by Australian construction company Leighton Holdings.

Cost of Antilia

The cost of building Antilia was estimated to be around $1 billion USD. However, due to fluctuations in currency exchange rates and other factors, the final cost may have been higher or lower than this figure.

The History of the World’s Biggest House and Its Builder

Mukesh Ambani is one of India’s wealthiest individuals with a net worth estimated at over $80 billion USD. He inherited Reliance Industries from his father Dhirubhai Ambani and has since grown it into one of India’s largest conglomerates with interests in petrochemicals, refining, oil & gas exploration, telecommunications, retail, and more.

Ambani’s Vision for Antilia

Ambani’s vision for Antilia was to create a home that would not only accommodate his family but also serve as a symbol of modern India’s economic growth. He wanted to build something that would showcase India’s capabilities on a global stage while also providing state-of-the-art amenities for his family.

Criticism of Antilia

Despite its grandeur, Antilia has faced criticism from some quarters for being an excessive display of wealth in a country where poverty is still prevalent. Some have also raised concerns about the environmental impact of such a large building and the strain it puts on the city’s infrastructure.

The Square Footage of the World’s Biggest House

Antilia covers an area of 400,000 square feet, making it the biggest house in the world by this measure. However, it is worth noting that some other buildings may have more interior space or more floors than Antilia but are not considered houses.

Comparison to Other Large Houses

The second-largest house in the world is Istana Nurul Iman, located in Brunei. It covers an area of 2.15 million square feet but is considered a palace rather than a house. The third-largest house in the world is Versailles, located near Paris, France. It has over 700 rooms and covers an area of 721,206 square feet.

Other Notable Buildings

  • The Burj Khalifa in Dubai is currently the tallest building in the world at 828 meters (2,716 feet) tall.
  • The Great Pyramid of Giza in Egypt was once the tallest man-made structure in the world and remains one of its most iconic landmarks.
  • The Palace of Westminster in London is home to both houses of Parliament and has been designated a UNESCO World Heritage Site.

Inside Look: Features of the World’s Biggest House

Antilia boasts a number of features that make it unique among residential properties around the world. Here are just a few:

Six Underground Parking Floors

Antilia has six underground parking floors that can accommodate up to 168 cars. The floors are equipped with car lifts that allow vehicles to be moved between levels quickly and easily.

Three Helicopter Pads

The roof of Antilia has three helicopter pads, making it one of the few private residences in the world with such a feature. The pads are designed to withstand the weight of large helicopters and allow for easy access to and from the property.

Nine Elevators

To move around such a large building quickly, Antilia has nine elevators that can transport people between floors at speeds of up to 22 feet per second. Each elevator is also equipped with state-of-the-art security features to ensure the safety of its passengers.

Future Plans: Will There Be an Even Bigger House?

It’s difficult to say whether there will be an even bigger house built in the future, but given the trend towards larger and more extravagant homes among the world’s wealthiest individuals, it’s certainly possible.

Challenges of Building a Bigger House

There are several challenges associated with building a bigger house. One is finding a suitable location that can accommodate such a large structure without disrupting local ecosystems or communities. Another is ensuring that the house is structurally sound and meets all necessary safety regulations.

Possible Future Developments

  • One possibility is that someone may attempt to build an even taller residential building than Antilia, breaking records for both height and square footage.
  • An alternative could be constructing an underwater home or one located on a remote island, providing seclusion and privacy for its inhabitants.
  • Advancements in technology may also allow for the construction of homes that are more eco-friendly and sustainable, addressing concerns about the environmental impact of large buildings.

In conclusion, the biggest house in the world is a marvel of architecture and engineering, showcasing the wealth and extravagance of its owners. However, it also raises questions about the sustainability and practicality of such excessive displays of wealth in a world where many struggle to afford basic necessities.


Where is the biggest mansion in the world?

Located in Brunei, the Istana Nurul Iman Palace is the largest mansion in the world with 1,788 rooms, a mosque, and an incredible 257 bathrooms.

Who owns the world’s largest house?

The Buckingham Palace in London currently holds the record for the most expensive house in the world. However, this historic property cannot be sold and is over two centuries old. It is currently owned by King Charles III following the passing of Queen Elizabeth II.

What is the biggest house in the USA?

Take a virtual tour of the Biltmore House, which is America’s largest home.

Which is the 2 biggest house in the world?

A list of the 13 largest houses in the world includes Biltmore Estate at 175,000 square feet, Antilia at 400,000 square feet, Buckingham Palace at 828,800 square feet, and Istana Nurul Iman at 2.15 million square feet. The list was last updated on May 14, 2023.

Which billionaire has the biggest house?

The world’s wealthiest person, Bill Gates, owns a mansion on the shoreline of Lake Washington that has a simple outward appearance, but is lavishly designed. Known as Xanadu 2.0, it measures 66,000 square feet.

Who has the smallest house in the world?

The MuMA Hut, also known as the WeWilder, is a 15 square meter house constructed by Romanian volunteers using locally sourced materials to promote the use of traditional building materials. It is regarded as the world’s smallest house. Its construction was completed on January 13, 2023.

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