Records of the London County Council Legal and Parliamentary Department, 1867-1948, including Parliamentary Sessional papers (Bills and Acts) relevant to aspects of London governance, including water supply, gas supply, tramways, metage and duties, housing, electricity supply, post offices, places of entertainment, telegraphs, parks and open spaces, police and fire services, bridges and tunnels, hospitals and healthcare, railways, markets, education and schools, River Thames, local government, London County Council, construction and building, town planning and finance.

Also reports by LCC officers, including the Chief Engineer, Architect and Parliamentary Agent, on Bills before Parliament, including bills relating to railways and other schemes affecting London; bills, private bills and provisional orders affecting London and proposals for legislation to be promoted by LCC.