Actually, they were built for the workers. But the prices of Copenhagen's old building association houses have grown to many millions today. Exactly how many, the experts have to guess when Hammerslag is in the capital. This time Christian Torp and Mira Lie Nielsen fight against Kristine Virén and Lars Lyng. First, they have to guess the price of a Humlebyhus with original details and a very small toilet on the stairs. Then the trip goes to the desirable and family-friendly neighborhood Lyset in Valby. Here, a unique and charming yellow house awaits the two teams.