Actress Kim Tae-hee has sold a luxury residence in Seoul’s elite Hannam-dong neighborhood for 12.77 billion won ($9.6 million), drawing attention to a striking 8.54 billion won ($6.4 million) capital gain after holding the property for just seven years — a deal that is fueling fresh buzz over celebrity real estate investments in Korea’s high-end housing market. According to real estate industry sources and South Korea’s Supreme Court registry on Feb. 24, Kim sold a 233-square-meter unit in the luxurious Hannam The Hill complex in November last year for around 12.8 billion won. She had purchased the home entirely in cash in August 2018 for 4.23 billion won. The buyer is reported to be Koo Ja-kwan, CEO of facility management firm Samkoo I&C, widely known in Korea by the nickname “Cleaning King.” Kim’s estimated capital gain from the transaction totals roughly 8.54 billion won, based on simple purchase-to-sale calculations. Hannam The Hill, completed in 2011 on the former Dankook University site in Hannam-dong in Yongsan District, is one of South Korea’s most exclusive resid