Plot 581a is part of the following land areas:
| Thursday 17 August 1581 | Earls Colne Manor Court Rolls | 66300231 |
| Thursday 13 September 1582 | Earls Colne Manor Court Rolls | 66301027 |
| 1598 | Terrier to accompany Map of Earls Colne and Colne Priory Manors | 44600150 |
| Thursday 3 February 1743 | Maps | 90100015 |
| 1838 | Earls Colne Tithe Award | 90000220 |