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Adar Poonawalla strikes a deal to buy London’s most expensive house of the year worth ₹1446 crore

Adar Poonawalla has agreed to pay the amount for a 25,000 square foot Mayfair mansion.

Updated on: Dec 12, 2023 10:36 PM IST
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Adar Poonawalla, CEO of Serum Institute of India that manufactures the Covishield vaccine, has closed a deal to buy London’s most expensive house of the year worth approximately 1446 crore, according to a report in Financial Times.

Adar Poonawalla, chief executive officer of Serum Institute of India (SII). (HT Photo)
Adar Poonawalla, chief executive officer of Serum Institute of India (SII). (HT Photo)

He has agreed to pay the amount for a 25,000 square foot Mayfair mansion. Aberconway House is a 1920s home near Hyde Park which will change hands after a sale was agreed by Dominika Kulczyk, daughter of the late businessman Jan Kulczyk, who was Poland’s richest man, the report said.

The property will be acquired by Serum Life Sciences, a UK subsidiary of the Poonawalla family’s Serum Institute of India, Financial Times quoted people familiar with the transaction as saying.

The house is a red-brick structure and is named for Henry Duncan McLaren, Baron Aberconway, an industrialist who built the Grosvenor Square mansion, the report said.

“It is a company guest house which is useful for hosting events and donors tech partners and it has helped Serum Group in accessing global opportunities that were not possible to do from India,” sources confirmed to CNBC.

Also read: Niraj Bajaj buys triplex at Walkeshwar for 252.50 cr

With its staggering price of £138 million, this deal will make Aberconway House the second-most expensive home ever sold in London. The most expensive deal was transacted in January 2020 with 2-8a Rutland Gate was sold for a record-breaking £210 million.

The FT report quoted agents as saying that the next largest sale of 2023 was the £113mn purchase of Hanover Lodge. Essar Group billionaire Ravi Ruia’s family office had bought the mansion in Regent’s Park, which had been linked to Russian property investor Andrey Goncharenko, the report said.

  • Vandana Ramnani
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    Vandana Ramnani

    Vandana Ramnani leads the real estate vertical at Hindustan Times Digital, bringing over two decades of journalism experience across real estate, education, human resources, and foreign affairs. She specialises in India’s real estate sector, covering residential and commercial markets in Delhi-NCR, Mumbai, and Bengaluru, with in-depth reporting on regulatory developments, urban policy, housing trends, and interviews with industry leaders. Her work has also appeared in the Hindustan Times newspaper and HT Estates. Earlier, Vandana played a key role in establishing the real estate vertical at Moneycontrol (NW18 Group), shaping its editorial direction and market coverage. She has also written extensively on international education for HT Education, tracking global study destinations, policy changes, and student mobility trends, earning the Singapore Education Award 2009 for Best Media Coverage (Print). Her reporting portfolio includes human resources and employment trends for HT ShineJobs and PowerJobs, as well as lifestyle and interior design features for HT Premium Homes. Vandana began her career with the Press Trust of India, gaining strong editorial and reporting expertise. She was also selected for a prestigious fellowship at Fondation Journalistes en Europe in Paris, where she wrote for EuroMag. One of her notable reporting assignments included covering Germany’s capital relocation from Bonn to Berlin. Outside of journalism, Vandana is a passionate traveller, constantly seeking out charming hideaways across India and the lesser-known, offbeat corners of Southeast Asia.Read More

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