Inside the London flats that billionaires spend £100 million to rent

London's most exclusive areas sees crowds of the super rich descend on its streets every summer.

While some of the world's richest people like to spend part of their holidays in either a second home in Britain's capital or a luxury hotel, high-end lettings agency EJ Harris revealed today that the insanely rich will likely spend up to £100 million ($156 million) this summer on incredibly lavish apartments, collectively.

From several story flats with bedrooms bigger than the average sized apartment, to grand pianos in an office - no demand is too big or too small for EJ Harris' clients that sometimes pay up to £10,000 ($15,622) per week on a serviced apartmentin Knightsbridge, Mayfair, and Marylebone in London.

Just take a look at how awesome these apartments are.