The government is considering seeking compensation from architect Daniel Heung Cheuk-kei, who resigned from a government advisory body after an illegal land-use scandal. The Lands Department is seeking legal advice on whether to demand lost revenue from Mr Heung resulting from the conversion of a government warehouse in Sha Tin, which he rented since the early 1980s, into a luxury residence. The latest twist came as a top Beijing adviser said Mr Heung, a cousin of Chief Executive Donald Tsang Yam-kuen, had done something improper and should be condemned by the public. Mr Heung, who resigned on Tuesday as chairman of the Committee on the Promotion of Civic Education following the scandal, has already vacated the two-storey warehouse that was his home between 1983 and 1999. Labourers yesterday completed work to restore the premises to a warehouse, and the scenic hillside site will be returned to the government today. A department spokeswoman said government lawyers were considering whether it was worth claiming lost revenue from Mr Heung. Mandy Tam Heung-man, vice-chairwoman of Legco's Public Accounts Committee, said the losses could amount to millions of dollars and officials must pursue the case. Audit Commission director Benjamin Tang Kwok-bun said he was very concerned and had already opened a file on the matter. 'It is almost as thick as an inch,' he said, but it was too early to say whether the commission would launch a full investigation. Tsang Hin-chi, a member of the National People's Congress Standing Committee, said Mr Heung should shoulder the consequences, but added that the credibility of the government and chief executive would not be harmed. 'He has done something improper in his private life and has to be condemned by the public,' he said. April Fifth Action group legislator Leung Kwok-hung will file a complaint with the Ombudsman today about Mr Heung's case. Donald Tsang last night refused to answer any questions about the scandal.