2006 Heritage Impact Statement: 9-11 Layton Street, Camperdown Warehouse at 9-11 Layton street Camperdown, 2006. ArchitecturalIndustrialSydney - InnerSydney - CoastalHeritage AssessmentResearch Author: Ms Rosemary Kerr The objective of this Heritage Impact Statement is to examine the impact of alterations and additions to the ground floor and mezzanine floor and the addition of an awning at the Layton Street entrance to the heritage item, a two-storey Federation warehouse at 9-11 Layton Street, Camperdown, on the heritage values of the building.