Cook Notes that "The Association has retained its records, although a quantity of material has been lost through wartime destruction and office moves. A list is available [NRA 24472 TCPA]. Surviving papers include Council and Executive Committee minute books for the period since 1944, which incorporates minutes of a wide variety of other conference committees (such as the Finance and General Purposes, and the Management Committee), and AGM minutes from 1901. Papers and proceedings of the Annual Conferences, 1953-66, and of Regional and Special Conferences, 1945-70, are also available. Files exist of Executive Committee papers and Director's Reports from 1964; there is a limited series of administrative files, including ones on Letchworth and Welwyn Garden Cities and the correspondence of F.J. Osborn, Hon. Secretary, 1955-70. Ledger books are retained only for the seven year period required by law. Publications include Annual Reports from 1941 to date; the weekly newssheet Planning Bulletin since 1947; the Bulletin of Environmental Education, monthly since May 1971; the journal Town and Country Planning since 1911 (known as Garden Cities and Town Planning until 1932), and other pamphlets and books." C. Cook, The Routledge Guide to British Political Archives, 2006;

"Enquires should be addressed to the Planning and Information Officer. Generally, files may be made accessible for research on the premises, with the exception of a limited number of current (and all personnel files) which remain confidential." C. Cook, The Routledge Guide to British Political Archives, 2006;

A list is available [NRA 24472 TCPA] - see NRA.

NRA lists related records TCPA papers of Frederic Osborn (ref F-G; cat ref NRA 34633 Osborn; dates 1918-78), held at Welwyn Garden City Central Library. Records related to the TCPA and to the Garden Cities and Town Planning Association appear in The Sir Frederic Osborn Archive (ref FJO; dates 1894 - 1978), held at Hertfordshire Archives and Local Studies -see online catalogue. A statement by the TCPA appears in the County Secretary's Department Archives (ref CS), held at Bedfordshire and Luton Archives and Records Service -see online catalogue. Records relating to the TCPA appear in the Stevenage Development Corporation, Commission for the New Towns (ref CNT/ST/4/1/T/2 Vol 3, dates July 1958-Apr 1968) , held at Hertfordshire Archives and Local Studies -see online catalogue. References to the TCPA appear in the collection of Robson, William Alexander, 1895-1980, Professor of Public Administration (ref GB 0097 ROBSON; dates c1920-c1970) -see online catalogue. Records related to the TCPA appear in the collection Papers of William Graham, Baron Holford of Kemp Town (ref D147; dates ca.1907 - 1970), held at Liverpool University: Special Collections and Archives -see online catalogue (1); online catalogue (2); online catalogue (3). Archives Hub list further records related to the TCPA in the Archive of the University of Liverpool: Staff papers, surnames P - R, held at Liverpool University: Special Collections and Archives -see online catalogue and online catalogue. Records of the Scottish Veterans Garden City Association: Peebleshire branch (ref SBA 344) are held at Scottish Borders Archive and Local History Centre (The Garden City Association later became the TCPA). Records related to the Garden City Association are among the papers of the founder of the Garden City movement Sir Ebenezer Howard and his personal representatives, 1879 - 1941, the collection is held at Hertfordshire Archives and Local Studies - see online catalogue. A reference to Garden City Association appears in the collection Shiell and Small, Solicitors, held at Dundee University Archive -see online catalogue. Records of the South Wales Garden Cities and Town Planning Association (ref 14/74-88; cat ref NRA 7852 Randall; dates 1914-15) are held at Glamorgan Record Office. (The Garden Cities and Town Planning Association later became the TCPA).