/1. Student Work. Architectural plans and sketches completed during Cubitt's time as a student at the Architectural Association (1935-1940).

/2. Architect. Material relating to Cubitt's career as an architect. Including papers relating to individual architectural projects, such as the University of Benghazi in Libya. Comprises notebooks, sketches, reports, articles, photographs and plans.

/3. Artist. Material relating to Cubitt's career as a sculptor. Comprises sketches, catalogues of works, notes on exhibitions and accounts.

/4. Personal Papers. Material relating to personal interests and involvements. Includes correspondence, papers relating to the Mortimer and Burghfield Labour Party, papers relating to Greece (including, in particular, the campaign for the restitution of the Parthenon/Elgin Marbles), biographical information, invitations to events and information on work contracts