In the Wilhelmine era (1871–1918) the Krupp steel company developed into Germany's largest industrial establishment and most famous armaments manufacturer. While the firm further cultivated its reputation as ‘Cannon Kings’, it claimed to be a leader in an entirely different area: the provision of housing. Extensively marketed through company publications, displays at international exhibitions and its Besucherpolitik (visitor policy), Krupp's housing developments in Essen generated considerable domestic and international interest. During a period when the housing question increasingly entered the political realm, high-profile individuals such as Kurt Eisner, Hannes Meyer and Alfred von Tirpitz all passionately expressed their views on Krupp's housing developments. This article assesses their historically neglected first-hand observations against the quantitative and qualitative housing achievements of the steel giant.