The previous 12 months saw the greatest bob for the UK super-rich in six years, and London now has 80 tycoons, up from 72 last year - more than some other world city.
Presently a US resident, Blavatnik bet 33% of his fortune on gaining the feeble Warner Music realm four years back, during an era when the robbery was devastating recorded music incomes.
Sunday Times Rich List: Britain's wealthiest twofold their riches in 10 years The endeavor is starting to pay off.
Middle family salary in the latest budgetary year was at around the same level as it was in 2007-08 preceding the subsidence, however, still more than 2% underneath its 2009-10 crest.
A year ago, they saw their riches increment by £28bn, the likeness £77m a day.
The yearly increment is sufficient to foot the country's gathering duty bills for a year, give 2m living-pay occupations for a year or 1m employments paid at the normal full-time pay of £27,195, said the trust.
Worth an expected £1bn not as much as a year ago, he was among 2015's superlative bankruptcy, as was Chelsea FC proprietor Roman Abramovich, whose fortune supposedly fell by £1.23bn. Promotion Two UK business families were among the year's greatest.