Comprises:

• black and white photographs: aerial view and model of the Precincts of St. Paul's as proposed by Holford; 7 items. (1956);
• letters: from Waide Planning Officer; to Holford asking him to give evidence in the PC Enquiry; 2 items. (30 Nov 1959);
• manuscript: Public Inquiry Piccadilly Circus. Representations by the Civic Trust. (Dec 1959);
• note of a meeting held at County Hall. Piccadilly circus. 924 Oct 1960 );
• note of meeting in Chief Engineer's Department, L.C.C.; 1 page, 2 copies. (28 Oct 1960);
• draft manuscript copy: 'An interim report to the London County Council'. 31 pages. [Dec 1960; Jan 1961 ?];
• black and white photographs of Piccadilly Circus redevelopment model; 1 box. (1 Jan 1961);
• 'photographs of Interim Scheme: January 1961': black and white photographs, including one of Holford; 2 bundles, 35 items;
• meeting papers: London County Council, Piccadilly Circus Development. Meeting of members of the council at county Hall. (18 Jan 1961)
• typescript: 'Piccadilly Circus', London County Council Press Bureau. 6 pp. (18 Jan 1961);
• 'Questions following talk by Sir William Holford to Statutory Authorities'. (10 Feb 1961);
• notes of meetings held at County Hall concerning Piccadilly Circus with potential developers, the Monico Site and transport authorities. (Apr 1961-Nov 1961);
• plan of Piccadilly Circus redevelopment, 'An Interim Report to the London County Council' by W. Holford (Reprint from The Town Planning Review, vol 32 no 1), report of the working party on Piccadilly Circus and a draft copy. 1 folder; 4 items. (Apr 1961 - May 1965);
• bundle of architectural magazines, with plans of Piccadilly Circus redevelopment proposals, black and white photos of model of Piccadilly Circus taken by Mr Sam Lambert (30 items) and press cuttings concerning the redevelopment; 1 folder. (1961-1963);
• 'Piccadilly Circus redevpt Monico - Interim Scheme Jan 1962. Architects - Architects collaborative and Llewelyn - Davies'. With 4 black and white photographs of model. 1 envelope. (1 Jan 1962);
• black and white photographs: 'Piccadilly Circus Redevelopment. Final Scheme - March 1962. L.C.C. Photos of Model'. 1 envelope; 18 items. (1 Mar 1962);
• report to the London County Council: 'Amended Proposals for Comprehensive Development', Mar 1962 by Holford as planning consultant. Master copy. 2 items. (1 Mar 1962);
• manuscript: 'Report on Proposals for Comprehensive development March 1962: By the planning consultant Sir William Holford'. 1 item. (1 Mar 1962);
• 'Town Planning Committee and Roads Committee' report. (29 Mar 1962);
• report: 'Piccadilly Circus Future Development: Proposals for Comprehensive development by the Planning Consultant Sir William Holford'. 1 item. (Mar 1962);
• negatives and contact prints of Piccadilly, photographs taken by Mr Sam Lambert. With annotated envelope. (Mar 1962-Apr 1962).
• 'Piccadilly Circus Information Folder. G.L.C. Planning Department', includes plans of redevelopment and listed buildings. (Nov 1965);
• miscellaneous manuscript notes. (22 Dec 1965);
• 'Brief to Consultants, Piccadilly Circus Working Party'. (Dec 1965);
• 'Piccadilly agreed objectives'. 1 pp. (16 Mar 1966);
• 'Note of developments since meeting at Westminster City Hall on 28/03/66'. one page, some annotation. 1 pp. (28 Mar 1966);
• Manuscript notes regarding a meeting held at Westminster City hall, 28 Mar 1966;
• Suggestions for Piccadilly Circus. (6 Apr 1966; 26 Apr 1966);
• Piccadilly Circus and the New London Pavilion. (Jul 1966);
• notebook: with report by Holford entitled 'Piccadilly Circus and the New London Pavilion' to the Westminster and the Greater London Councils on a scheme for progressive development. Includes annotated printed material. Loosed pages. (Jul 1966);
• Bundle containing plans, reports from London County Council, correspondence concerning the design of Piccadilly Circus and New London Pavilion. Notable pieces include a floor space survey of Piccadilly and proposed costs of the redevelopment of the London Pavilion and St. Peter's Church Site. (n.d. [1960s]);
• Amrotype (photographs) of different angles of St Paul's Cathedral. East front/west Portico/Elevation of South Front. With blackand white photographs. 1 box. (n.d. [1960s]);
• press cuttings concerning Piccadilly Circus redevelopment. 3 bundles. (n.d. [1960s]);
• correspondence concerning Piccadilly Circus, has a copy of Westminster Review. 1 bundle. (n.d. [1960s]);
• plans of proposed redevelopment of Piccadilly Circus. (n.d. [1960s]);
• typescript: 'Inspectors comments on Piccadilly Circus Comprehensive Development'. (n.d. [1960s]);
• correspondence, notes, plans, black and white photographs of a model of the redevelopment of Piccadilly Circus (6 items), expenses in connection with Piccadilly report, terms of reference fees. With an envelope with postcards (4 items) and colour slides (3 items) of Tokyo. 1 folder. (n.d. [1960s]);
• 'Piccadilly Circus, Report of the Working Party', notes of meetings, manuscript and typescript notes by Holford, reports for London County Council, correspondence. 1 folder. (n.d. [1960s]);
• correspondence concerning Piccadilly Circus. 1 bundle. (n.d. [1960s]);
• 'The Piccadilly Circus Report and its implications'. (n.d. [1960s]);
• 'notes on certain paragraphs of the report on Piccadilly Circus'. (n.d. [1960s]);
• material relating to 'Piccadilly: Fee and Accounts. Insurance on Models'. Contains correspondence and invoices. (n.d. [1960s]);
• Untitled plan, [Piccadilly Circus]. 1 item. (n.d. [1960s]);
• black and white photographs: various views of Piccadilly Circus. 1 envelope; 15 items. (n.d. [1960s]);
• 'An Interim Report to the London County Council'. (n.d. [1960s]);
• Miscellaneous manuscript and typescript notes. (n.d. [1960s]);
• Typescript papers regarding Piccadilly Circus. 5 pp. (n.d. [1960s]);
• Page giving details of photographs and drawings. 1 item. (n.d. [1960s]);
• slides of plans titled of Northern Polytechnic School of Architecture. 4 items. (n.d. [1960s]).