7 Oldest Billionaires in the UK

In the world of wealth and business, longevity often accompanies vast experiences and, in many cases, vast fortunes. The UK has its fair share of elder statesmen in the billionaire club.

This article delves into the lives of the oldest billionaires in the UK, exploring not just their wealth but also the paths they have traversed to reach their current standings. Each profile will show you their name, age, approximate wealth, and other intriguing details about their lives and careers.

7 Oldest Billionaires in the UK

7. Gerald Grosvenor, 6th Duke of Westminster

Age: Passed away at 64, included for his longstanding impact
Approximate Wealth: £9 billion at the time of his death

Gerald Grosvenor was one of the UK’s richest landowners, overseeing an estate that included significant parts of central London, such as Belgravia and Mayfair.

Despite his passing, his legacy and the management of his wealth continue through his family and their estate management.

The Duke was known for his deep sense of responsibility for his heritage and his philanthropic efforts. His approach to estate management emphasized sustainability and community benefit, ensuring that his developments improved the areas they were part of.

He was also a major donor to various charitable causes, particularly in the fields of military and mental health.

Did You Know?

Gerald Grosvenor was deeply committed to supporting military personnel and veterans, reflecting his own background in the British Army. His charitable trust continues to support mental health, education, and veteran initiatives extensively.

6. Leonard Blavatnik

Age: 66 years old
Approximate Wealth: £31.5 billion

Leonard BlavatnikPhoto Source: Wikimedia Commons

Leonard Blavatnik, born in Ukraine and emigrating to the U.S. before finally settling in the UK, is an industrial magnate with investments spanning media, telecom, and energy.

After his education at Columbia University and Harvard Business School, Blavatnik founded Access Industries, a diversified industrial group, in 1986, which laid the foundation for his fortune. His assets include stakes in Warner Music, DAZN, and various other entertainment and media outlets.

Blavatnik’s investment strategies and philanthropic efforts are a testament to his belief in progress through innovation and community support.

He has donated hundreds of millions to educational institutions and scientific research, aiming to foster a new generation of entrepreneurs and scientists. His approach to business and philanthropy showcases a commitment to building and supporting sustainable, innovative enterprises.

Did You Know?

Blavatnik is a significant cultural patron, contributing to many institutions such as the Tate Modern and the V&A Museum in London. His philanthropic efforts extend deeply into the educational sector, with substantial donations to the University of Oxford to promote technological advancements and entrepreneurship.

5. Kirsten Rausing

Age: 71 years old
Approximate Wealth: £13 billion

Kirsten Rausing, heir to the Tetra Pak fortune, is one of the UK’s wealthiest women. Her interests lie primarily in the thoroughbred horse breeding industry, through which she has gained international recognition.

Rausing owns one of the leading thoroughbred breeding operations in the UK, which has produced several top racehorses. Her business acumen, however, extends beyond horses; she also plays a crucial role in the management of the family’s packaging fortune.

Rausing is known for her privacy but has been recognized for her contributions to the British horse racing industry.

Did You Know?

Apart from her involvement in horse racing, Rausing is a significant philanthropist with a focus on animal welfare and conservation. She has supported numerous initiatives to protect wildlife and promote sustainable practices within the thoroughbred racing and breeding industries.

4. Jim Ratcliffe

Age: 71 years old
Approximate Wealth: £29.7 billion

Jim RatcliffePhoto Source: Wikimedia Commons

Jim Ratcliffe is a leading figure in the UK chemical sector, best known for founding and owning a majority stake in Ineos, a global chemicals giant.

Ratcliffe’s business acumen has guided Ineos from a moderately sized company to a global behemoth with operations across Europe, Asia, and the Americas.

Ratcliffe’s journey from an upbringing in a council house in Manchester to becoming one of the UK’s wealthiest individuals is a classic rags-to-riches tale. He is known for his privacy and rarely gives interviews, making him one of the more enigmatic figures in the world of billionaires.

His commitment to the UK economy is evident in his investments and business expansions, particularly in the North Sea oil and gas sectors.

Did You Know?

An avid adventurer and sports enthusiast, Ratcliffe has undertaken numerous expeditions to some of the world’s most challenging environments, including the North Pole and the Sahara Desert. He also owns the Team Ineos cycling team, formerly Team Sky, which has won multiple Tour de France titles.

3. David and Simon Reuben

Age: 83 and 80 years old
Approximate Wealth: £24.4 billion

David and Simon Reuben, born in India and of Iraqi Jewish heritage, are prominent British businessmen and philanthropists. Their fortune stems from investments in real estate, technology, and retail.

The Reuben brothers began their careers in scrap metals and carpets before venturing into property development. Their astute investment strategies have paid off significantly, particularly in London’s luxury property market and across other global capitals.

The brothers are also known for their quiet but substantial philanthropic work, focusing on education, healthcare, and the arts.

Did You Know?

Aside from their business acumen, the Reuben brothers have made notable contributions to preserving British heritage, including their redevelopment projects in London’s Piccadilly and their support for the Reuben Foundation, which funds educational and healthcare initiatives.

2. Charles Cadogan

Age: 86 years old
Approximate Wealth: £6.8 billion

Charles Cadogan, the 8th Earl Cadogan, is one of the UK’s wealthiest landowners, with extensive property in Chelsea and Knightsbridge. His family has owned land in these areas since the 18th century, contributing significantly to their current prestige and value.

Cadogan’s management of his estates has been marked by a keen eye for development and preservation, balancing modern needs with the heritage and character of his properties.

His approach has helped transform parts of London into some of the most desirable and expensive in the world. He is also involved in various charitable activities, focusing on local community projects and conservation.

Did You Know?

The Cadogan Estate covers approximately 90 acres of prime central London land. Charles Cadogan has been deeply involved in the arts, supporting the Royal Court Theatre and the Cadogan Hall, which hosts a wide range of musical concerts and events.

1. Bernie Ecclestone

Age: 93 years old
Approximate Wealth: £2.5 billion

Bernie EcclestonePhoto Source: Wikimedia Commons

Bernie Ecclestone, best known as the former chief executive of the Formula One Group, has been a pivotal figure in transforming Formula One into a global, commercially successful sport.

His tenure at the helm of F1 was marked by sharp business acumen and controversial dealings that both fueled the sport’s rise and sparked debate.

Ecclestone began his career as a driver and team owner before moving into administration. His vision for Formula One involved expanding its reach through television rights and sponsorship deals, which vastly increased the sport’s revenue and popularity.

Despite stepping down from his role in F1, Ecclestone remains a significant and often polarizing figure in the world of motorsports.

Did You Know?

Ecclestone’s influence in Formula One was such that he was often referred to as “F1 Supremo.” His knack for negotiation and strategic deals earned him both admiration and criticism, reflecting his complex legacy in motorsports.


These eight profiles provide a glimpse into the lives of the UK’s oldest billionaires, each of whom has made unique contributions to their respective fields and beyond. Their stories are a blend of ambition, heritage, and philanthropy, reflecting the diverse ways wealth can influence and drive positive change.

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