star is reportedly expanding his luxury home in Leawood, Kansas-but he's building down instead of up. His $6 million mansion will soon feature a state-of-the-art man cave, complete with a golf simulator, adding a new layer to the growing trend of extravagant underground spaces. This trend, called "iceberg housing," emphasizes lavish, hidden levels beneath a property, making basements more luxurious than ever.
For wealthy homeowners, these elaborate spaces can include anything from pools and gyms to wine cellars, private theaters, and wellness centers. Publications such as Robb Report describe these underground areas as the "latest real estate status symbol," showcasing homeowners' taste and affluence. Yet, creating such spaces comes with a hefty price tag.
In cities like Los Angeles, these hidden basements can push construction costs into the millions, according to recent reports from Fortune. The global influence of Iceberg homes While the US is warming up to this trend, London has been a hotspot for iceberg homes for over a decade. A study conducted for The Guardian revealed thousands of basement expansions in the city over recent years, including gyms, private theaters, swimming pools and even staff quarters.
In the , places such as Phoenix are seeing a rising interest in finished basements due to the cooler space they provide in warm climates. Homes with these additions tend to attract buyers quickly, offering extra space without raising cooling costs for an upper floor. .