The NSW Housing Board Building is a heritage-listed former police station and government building and now commercial offices located at 16-18 Grosvenor Street in the inner city Sydney suburb of The Rocks in the City of Sydney local government area of New South Wales, Australia. It was designed by William Henry Foggitt and built in 1921 by J. McCarthy. It is also known as NSW Housing Board Building (former) and Charlotte House. The property is owned by Property NSW, an agency of the Government of New South Wales. It was added to the New South Wales State Heritage Register on 10 May 2002.