John Rickman, Clerk Assistant and Speaker's Secretary in the House of Commons, had this plan drawn to enclose in a letter to a correspondent - the brown hatched area shows the burned out parts of the Palace. He and his family watched the progress of the fire from their house on site, labelled 'Rickman' in the top centre of the plan.
John Rickman's plan of the destruction of the palace
20 October 1834
Parliamentary Archives, HL/PO/LB/1/2/2