Norway’s sovereign wealth fund paid about £306 million ($378 million) for a stake in a portfolio of office and retail properties in London’s high-end Mayfair district.

Hugh Grosvenor, who married Olivia Henson in a glamorous wedding last summer, sold a stake in the central London portfolio which includes buildings like Connaught hotel and Scott’s

The deal is the largest the billionaire aristocrat's (pictured) property company Grosvenor has ever struck with an outside investor.

Norway's sovereign wealth fund said on Wednesday it has bought a 25% stake in a mixed-use property portfolio located in London's Mayfair district for 305.7 million pounds ($376.53 million).