Holborn Bars, also known as the Prudential Assurance Building, is a large red terracotta Victorian building on the north side (138–142) of Holborn in Camden at the boundary of the City of London, England. The block is bounded by Holborn to the south, Brooke Street to the west, Leather Lane to the east and Beauchamp Street to the north. It is currently occupied by De Vere Venues and also the London office of English Heritage at 1 Waterhouse Square.