Once dubbed "Billionaire's Row", The Bishops Avenue in London was the epitome of luxury, nestled near elite neighbourhoods such as Hampstead and Highgate. Boasting over 60 grand mansions with a collective worth easily soaring into the hundreds of millions, this street has a rich tapestry of history. While some of these opulent residences are still occupied, others stand empty or have been repurposed into care homes.

The identities of many owners remain shrouded in secrecy, with properties often registered to offshore companies, making tracing ownership without expert accountants a Herculean task. Yet, some notable figures are linked to these estates, including the Saudi Royal family who own a cluster of mansions known as "The Towers", acquired during the 1980s as a safeguard against potential invasion by Saddam Hussein's Iraq. READ MORE Teacher found naked with pupil moans she 'doesn't get invited to kids' parties' Heath Hall, once the domain of a Czech magnate, has seen its share of celebrity tenants, including Justin Bieber and Salma Hayek.

Despite their sometimes neglected appearance, each mansion holds a value in the tens of millions and belongs to individuals whose wealth is so vast that leaving such assets dormant seems inconsequential, reports the Express . Each property has its unique allure, with one serving as the heavily guarded sanctuary for Salman Rushdie during the time when a fatwa demanded his life. One of the properties was once home to a Nigerian politician.

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