§ Members of the following committees etc. do not receive salaries or fees but are reimbursed for expenses at Civil Service rates. Appointments are normally made for the duration of the Committee or Working Party with the exception of the Clean Air Council whose members serve a 3-year appointment with possibility of re-election.
| Committee | Number of members | Date of appointment | |
| Central Housing Advisory Committee | … | 26 | Reconstituted October, 1957 |
| Clean Air Council | … | 24 | May, 1957 |
| Central Advisory Water Committee | … | 21 | Reconstituted March, 1955 |
| Technical Committee on Storm Overflows and the Disposal of Storm Sewage | … | 13 | May, 1955 |
| Standing Technical Committee on Synthetic Detergents | … | 18 | January, 1957 |
| Technical Committee on the Disposal of Toxic Solid Wastes | 18 | July, 1964 | |
| Committee on Chemical Analysis of Sewage Effluents and Trade Effluents | … | 18 | July, 1964 |
| Advisory Committee on Buildings of Special Architectural or Historic Interest | … | 10 | October, 1945 |
| Advisory Committee on Ironstone Restoration | … | 7 | January, 1952 |
| Working Party on the Design and Construction of Under-ground Pipe Sewers | … | 11 | June, 1964 |
| Working Party on Refuse Collection | … | 15 | May, 1963 |
| Standing Working Party on London Housing | … | 13 | June, 1965 |
| Committee on Local Authority and allied personal services (appointed by the Minister of Housing and Local Government, jointly with the Home Secretary, the Secretary of State for Education and Science and the Minister of Health) | … | 9 | December, 1965 |