London's super-wealthy have found a new way to get what they want by circumventing London's building height restrictions: dig down.

One of the biggest trends going around London's wealthy neighborhoods is excavating the ground beneath their homes to add levels of luxury amenities such as pools, cinemas, saunas, and wine cellars. It's not just digging out one level. Some of these mansions have five additional stories underground, what some have dubbed 'iceberg basements' because the above-ground structure looks so quaint.

Charles Clark rounded up photos and site plans of some of these infamous basements for Tech Insider to give everyone a peak at the lifestyle of London's super wealthy.

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