Letters Patent appointing Commissioners, 1691-1837; minutes, agendas and reports, 1659-1847; minutes and reports of other Committees including the Committee of Accounts, Committee for Improvement of the Sewers, Committee of Rates, Committee of Works and Occasional Committee; petitions and reports, 1683-1798; papers presented to the Court, 1777-1847; Surveyor's Reports of work performed by leave of the Court, 1809-1847; information and reports from the Clerk of Works on cases of surreptitious drainage, 1810-1848; Surveyor's Reports of Work done at the charge of the District, 1775-1848; journal of large works in progress, 1838-1848; contracts and specifications, 1811-1847; presentments (a 'Presentment of the Jurors' was required before work could be carried out or a rate levied. With a few exceptions the Westminster presentments consist of lists of owners or occupiers of land and houses on whom rates could be levied), 1668-1843; decrees, (decrees gave authority for the levying of rates for work on the sewers), 1675-1847; abstracts by the Clerk of Works of work performed on the sewers, recording the amount of time spent and materials used, serving as a check on the contractors' bills, 1810-1846; copies of letters and notices sent by order of the Commissioners, 1776-1848; financial accounts, 1701-1847, including contractor's bills and payments to workmen; rate books, 1703-1848; law suits and legal opinion, 1820-1840; registers of sewers and drains, 1812-1845, including new sewers; printed reports and papers, 1830-1849, including financial accounts, statements of income and expenditure, opinions of Counsel, reports by solicitors, reports of Surveyors, proposals for changes to the management and structure of the Commission, regulations and memorandums; maps and plans of properties, sewers, districts drained by specific sewers, maps of parishes and maps of London and Middlesex, 1762-1847.
