Individual tenements or holdings are numbered up to 110 in extant leases. However, tenement numbers 2, 3, 7, 10, 25, 26, 29, 31, 36 and 71 are not represented at all. A single 'stray' lease for Dean Row to. Bollin Fee is also present.
Dating: the span dates above relate to leases and counterpart leases only: a few examples of other types of record found with the leases date up to 1897.