File 12415: Commercial Street (General), City London Polytechnic, 2 - 4 Commercial Street Correspondence, building notices, planning permissions, building inspection reports, works progress reports and building plans for alterations and improvements to City of London Polytechnic, 2 - 4 Commercial Street and 102 - 104 Whitechapel High Street, including the use of the ground floor as a betting shop, continued use of the second and third floors as offices, new shopfronts, fire escape alterations and construction of partitions. 1909-1983