愛丁堡廣場
On 1 July 2007, Lam left the civil service when she was appointed Secretary for Development by Chief Executive Donald Tsang, becoming one of the principal officials. In the first days of her office, Lam oversaw the demolition of the landmark Edinburgh Place Ferry Pier for the Star Ferry and the Queen's Pier to make way for land reclamation, which triggered occupation protests by the conservationists.